Home / 61,687.27-92,534.20-19,570.72

Finding the Fourth Proportional to 61,687.27, 92,534.20 and 19,570.72

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Solution

The fourth proportional to 61,687.27, 92,534.20 and 19,570.72 is: 29,357.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,687.27 : 92,534.20 = 19,570.72 : x
  2. Step 2: Convert to fraction form
    61,687.27/92,534.20 = 19,570.72/x
  3. Step 3: Cross multiply
    61,687.27x = 92,534.20 × 19,570.72
  4. Step 4: Simplify right side
    61,687.27x = 1,810,960,876.93
  5. Step 5: Solve for x
    x = 1,810,960,876.93/61,687.27
  6. Step 6: Final answer
    x = 29,357.12

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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.