Home / 85,306.02-127,959.55-37,909.98

Finding the Fourth Proportional to 85,306.02, 127,959.55 and 37,909.98

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Solution

The fourth proportional to 85,306.02, 127,959.55 and 37,909.98 is: 56,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,306.02 : 127,959.55 = 37,909.98 : x
  2. Step 2: Convert to fraction form
    85,306.02/127,959.55 = 37,909.98/x
  3. Step 3: Cross multiply
    85,306.02x = 127,959.55 × 37,909.98
  4. Step 4: Simplify right side
    85,306.02x = 4,850,943,981.31
  5. Step 5: Solve for x
    x = 4,850,943,981.31/85,306.02
  6. Step 6: Final answer
    x = 56,865.20

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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.