Home / 83,931.73-125,860.65-44,479.60

Finding the Fourth Proportional to 83,931.73, 125,860.65 and 44,479.60

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Solution

The fourth proportional to 83,931.73, 125,860.65 and 44,479.60 is: 66,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,931.73 : 125,860.65 = 44,479.60 : x
  2. Step 2: Convert to fraction form
    83,931.73/125,860.65 = 44,479.60/x
  3. Step 3: Cross multiply
    83,931.73x = 125,860.65 × 44,479.60
  4. Step 4: Simplify right side
    83,931.73x = 5,598,231,136.49
  5. Step 5: Solve for x
    x = 5,598,231,136.49/83,931.73
  6. Step 6: Final answer
    x = 66,699.82

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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.