Home / 57,066.36-78,755.22-31,916.04

Finding the Fourth Proportional to 57,066.36, 78,755.22 and 31,916.04

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Solution

The fourth proportional to 57,066.36, 78,755.22 and 31,916.04 is: 44,046.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,066.36 : 78,755.22 = 31,916.04 : x
  2. Step 2: Convert to fraction form
    57,066.36/78,755.22 = 31,916.04/x
  3. Step 3: Cross multiply
    57,066.36x = 78,755.22 × 31,916.04
  4. Step 4: Simplify right side
    57,066.36x = 2,513,554,751.73
  5. Step 5: Solve for x
    x = 2,513,554,751.73/57,066.36
  6. Step 6: Final answer
    x = 44,046.17

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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.