Home / 64,672.02-89,251.47-39,195.90

Finding the Fourth Proportional to 64,672.02, 89,251.47 and 39,195.90

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Solution

The fourth proportional to 64,672.02, 89,251.47 and 39,195.90 is: 54,092.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,672.02 : 89,251.47 = 39,195.90 : x
  2. Step 2: Convert to fraction form
    64,672.02/89,251.47 = 39,195.90/x
  3. Step 3: Cross multiply
    64,672.02x = 89,251.47 × 39,195.90
  4. Step 4: Simplify right side
    64,672.02x = 3,498,291,692.97
  5. Step 5: Solve for x
    x = 3,498,291,692.97/64,672.02
  6. Step 6: Final answer
    x = 54,092.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.