Home / 54,331.60-81,545.40-32,117.20

Finding the Fourth Proportional to 54,331.60, 81,545.40 and 32,117.20

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Solution

The fourth proportional to 54,331.60, 81,545.40 and 32,117.20 is: 48,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,331.60 : 81,545.40 = 32,117.20 : x
  2. Step 2: Convert to fraction form
    54,331.60/81,545.40 = 32,117.20/x
  3. Step 3: Cross multiply
    54,331.60x = 81,545.40 × 32,117.20
  4. Step 4: Simplify right side
    54,331.60x = 2,619,009,920.88
  5. Step 5: Solve for x
    x = 2,619,009,920.88/54,331.60
  6. Step 6: Final answer
    x = 48,204.17

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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.