Home / 93,678.20-140,517.30-83,836.70

Finding the Fourth Proportional to 93,678.20, 140,517.30 and 83,836.70

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Solution

The fourth proportional to 93,678.20, 140,517.30 and 83,836.70 is: 125,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,678.20 : 140,517.30 = 83,836.70 : x
  2. Step 2: Convert to fraction form
    93,678.20/140,517.30 = 83,836.70/x
  3. Step 3: Cross multiply
    93,678.20x = 140,517.30 × 83,836.70
  4. Step 4: Simplify right side
    93,678.20x = 11,780,506,724.91
  5. Step 5: Solve for x
    x = 11,780,506,724.91/93,678.20
  6. Step 6: Final answer
    x = 125,755.05

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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.