Home / 74,385.28-112,089.60-61,527.04

Finding the Fourth Proportional to 74,385.28, 112,089.60 and 61,527.04

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Solution

The fourth proportional to 74,385.28, 112,089.60 and 61,527.04 is: 92,713.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,385.28 : 112,089.60 = 61,527.04 : x
  2. Step 2: Convert to fraction form
    74,385.28/112,089.60 = 61,527.04/x
  3. Step 3: Cross multiply
    74,385.28x = 112,089.60 × 61,527.04
  4. Step 4: Simplify right side
    74,385.28x = 6,896,541,302.78
  5. Step 5: Solve for x
    x = 6,896,541,302.78/74,385.28
  6. Step 6: Final answer
    x = 92,713.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.