Home / 86,543.19-119,428.25-48,300.75

Finding the Fourth Proportional to 86,543.19, 119,428.25 and 48,300.75

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Solution

The fourth proportional to 86,543.19, 119,428.25 and 48,300.75 is: 66,654.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,543.19 : 119,428.25 = 48,300.75 : x
  2. Step 2: Convert to fraction form
    86,543.19/119,428.25 = 48,300.75/x
  3. Step 3: Cross multiply
    86,543.19x = 119,428.25 × 48,300.75
  4. Step 4: Simplify right side
    86,543.19x = 5,768,473,804.68
  5. Step 5: Solve for x
    x = 5,768,473,804.68/86,543.19
  6. Step 6: Final answer
    x = 66,654.28

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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.