Home / 84,234.80-116,243.13-45,994.23

Finding the Fourth Proportional to 84,234.80, 116,243.13 and 45,994.23

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Solution

The fourth proportional to 84,234.80, 116,243.13 and 45,994.23 is: 63,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,234.80 : 116,243.13 = 45,994.23 : x
  2. Step 2: Convert to fraction form
    84,234.80/116,243.13 = 45,994.23/x
  3. Step 3: Cross multiply
    84,234.80x = 116,243.13 × 45,994.23
  4. Step 4: Simplify right side
    84,234.80x = 5,346,513,429.62
  5. Step 5: Solve for x
    x = 5,346,513,429.62/84,234.80
  6. Step 6: Final answer
    x = 63,471.55

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Double scale
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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.