Home / 92,565.70-138,848.55-82,724.20

Finding the Fourth Proportional to 92,565.70, 138,848.55 and 82,724.20

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Solution

The fourth proportional to 92,565.70, 138,848.55 and 82,724.20 is: 124,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,565.70 : 138,848.55 = 82,724.20 : x
  2. Step 2: Convert to fraction form
    92,565.70/138,848.55 = 82,724.20/x
  3. Step 3: Cross multiply
    92,565.70x = 138,848.55 × 82,724.20
  4. Step 4: Simplify right side
    92,565.70x = 11,486,135,219.91
  5. Step 5: Solve for x
    x = 11,486,135,219.91/92,565.70
  6. Step 6: Final answer
    x = 124,086.30

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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.