Home / 94,006.28-129,720.45-53,712.02

Finding the Fourth Proportional to 94,006.28, 129,720.45 and 53,712.02

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Solution

The fourth proportional to 94,006.28, 129,720.45 and 53,712.02 is: 74,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,006.28 : 129,720.45 = 53,712.02 : x
  2. Step 2: Convert to fraction form
    94,006.28/129,720.45 = 53,712.02/x
  3. Step 3: Cross multiply
    94,006.28x = 129,720.45 × 53,712.02
  4. Step 4: Simplify right side
    94,006.28x = 6,967,547,404.81
  5. Step 5: Solve for x
    x = 6,967,547,404.81/94,006.28
  6. Step 6: Final answer
    x = 74,117.89

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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.