Home / 83,670.04-125,554.02-31,115.80

Finding the Fourth Proportional to 83,670.04, 125,554.02 and 31,115.80

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Solution

The fourth proportional to 83,670.04, 125,554.02 and 31,115.80 is: 46,691.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,670.04 : 125,554.02 = 31,115.80 : x
  2. Step 2: Convert to fraction form
    83,670.04/125,554.02 = 31,115.80/x
  3. Step 3: Cross multiply
    83,670.04x = 125,554.02 × 31,115.80
  4. Step 4: Simplify right side
    83,670.04x = 3,906,713,775.52
  5. Step 5: Solve for x
    x = 3,906,713,775.52/83,670.04
  6. Step 6: Final answer
    x = 46,691.91

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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.