Home / 84,542.76-116,666.14-48,246.21

Finding the Fourth Proportional to 84,542.76, 116,666.14 and 48,246.21

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Solution

The fourth proportional to 84,542.76, 116,666.14 and 48,246.21 is: 66,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,542.76 : 116,666.14 = 48,246.21 : x
  2. Step 2: Convert to fraction form
    84,542.76/116,666.14 = 48,246.21/x
  3. Step 3: Cross multiply
    84,542.76x = 116,666.14 × 48,246.21
  4. Step 4: Simplify right side
    84,542.76x = 5,628,699,090.33
  5. Step 5: Solve for x
    x = 5,628,699,090.33/84,542.76
  6. Step 6: Final answer
    x = 66,578.13

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Double scale
Find fourth proportional to 84,543.76, 116,667.52 and 48,247.21
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.