Home / 94,047.20-129,785.12-53,761.82

Finding the Fourth Proportional to 94,047.20, 129,785.12 and 53,761.82

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Solution

The fourth proportional to 94,047.20, 129,785.12 and 53,761.82 is: 74,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,047.20 : 129,785.12 = 53,761.82 : x
  2. Step 2: Convert to fraction form
    94,047.20/129,785.12 = 53,761.82/x
  3. Step 3: Cross multiply
    94,047.20x = 129,785.12 × 53,761.82
  4. Step 4: Simplify right side
    94,047.20x = 6,977,484,260.12
  5. Step 5: Solve for x
    x = 6,977,484,260.12/94,047.20
  6. Step 6: Final answer
    x = 74,191.30

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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.