Home / 61,723.16-92,426.56-42,721.44

Finding the Fourth Proportional to 61,723.16, 92,426.56 and 42,721.44

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Solution

The fourth proportional to 61,723.16, 92,426.56 and 42,721.44 is: 63,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,723.16 : 92,426.56 = 42,721.44 : x
  2. Step 2: Convert to fraction form
    61,723.16/92,426.56 = 42,721.44/x
  3. Step 3: Cross multiply
    61,723.16x = 92,426.56 × 42,721.44
  4. Step 4: Simplify right side
    61,723.16x = 3,948,595,737.45
  5. Step 5: Solve for x
    x = 3,948,595,737.45/61,723.16
  6. Step 6: Final answer
    x = 63,972.68

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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.