Home / 83,549.61-125,287.56-39,140.55

Finding the Fourth Proportional to 83,549.61, 125,287.56 and 39,140.55

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Solution

The fourth proportional to 83,549.61, 125,287.56 and 39,140.55 is: 58,693.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,549.61 : 125,287.56 = 39,140.55 : x
  2. Step 2: Convert to fraction form
    83,549.61/125,287.56 = 39,140.55/x
  3. Step 3: Cross multiply
    83,549.61x = 125,287.56 × 39,140.55
  4. Step 4: Simplify right side
    83,549.61x = 4,903,824,006.56
  5. Step 5: Solve for x
    x = 4,903,824,006.56/83,549.61
  6. Step 6: Final answer
    x = 58,693.56

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1.5x scale

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.