Home / 61,407.28-92,153.24-21,426.52

Finding the Fourth Proportional to 61,407.28, 92,153.24 and 21,426.52

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Solution

The fourth proportional to 61,407.28, 92,153.24 and 21,426.52 is: 32,154.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,407.28 : 92,153.24 = 21,426.52 : x
  2. Step 2: Convert to fraction form
    61,407.28/92,153.24 = 21,426.52/x
  3. Step 3: Cross multiply
    61,407.28x = 92,153.24 × 21,426.52
  4. Step 4: Simplify right side
    61,407.28x = 1,974,523,239.92
  5. Step 5: Solve for x
    x = 1,974,523,239.92/61,407.28
  6. Step 6: Final answer
    x = 32,154.55

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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.