Home / 57,087.13-85,641.40-17,635.02

Finding the Fourth Proportional to 57,087.13, 85,641.40 and 17,635.02

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Solution

The fourth proportional to 57,087.13, 85,641.40 and 17,635.02 is: 26,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,087.13 : 85,641.40 = 17,635.02 : x
  2. Step 2: Convert to fraction form
    57,087.13/85,641.40 = 17,635.02/x
  3. Step 3: Cross multiply
    57,087.13x = 85,641.40 × 17,635.02
  4. Step 4: Simplify right side
    57,087.13x = 1,510,287,502.72
  5. Step 5: Solve for x
    x = 1,510,287,502.72/57,087.13
  6. Step 6: Final answer
    x = 26,455.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.