Home / 83,905.60-125,955.60-50,663.20

Finding the Fourth Proportional to 83,905.60, 125,955.60 and 50,663.20

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Solution

The fourth proportional to 83,905.60, 125,955.60 and 50,663.20 is: 76,053.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,905.60 : 125,955.60 = 50,663.20 : x
  2. Step 2: Convert to fraction form
    83,905.60/125,955.60 = 50,663.20/x
  3. Step 3: Cross multiply
    83,905.60x = 125,955.60 × 50,663.20
  4. Step 4: Simplify right side
    83,905.60x = 6,381,313,753.92
  5. Step 5: Solve for x
    x = 6,381,313,753.92/83,905.60
  6. Step 6: Final answer
    x = 76,053.49

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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.