Home / 82,518.40-123,793.51-35,132.62

Finding the Fourth Proportional to 82,518.40, 123,793.51 and 35,132.62

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Solution

The fourth proportional to 82,518.40, 123,793.51 and 35,132.62 is: 52,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,518.40 : 123,793.51 = 35,132.62 : x
  2. Step 2: Convert to fraction form
    82,518.40/123,793.51 = 35,132.62/x
  3. Step 3: Cross multiply
    82,518.40x = 123,793.51 × 35,132.62
  4. Step 4: Simplify right side
    82,518.40x = 4,349,190,169.63
  5. Step 5: Solve for x
    x = 4,349,190,169.63/82,518.40
  6. Step 6: Final answer
    x = 52,705.70

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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.