Home / 91,832.40-137,822.31-47,472.08

Finding the Fourth Proportional to 91,832.40, 137,822.31 and 47,472.08

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Solution

The fourth proportional to 91,832.40, 137,822.31 and 47,472.08 is: 71,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,832.40 : 137,822.31 = 47,472.08 : x
  2. Step 2: Convert to fraction form
    91,832.40/137,822.31 = 47,472.08/x
  3. Step 3: Cross multiply
    91,832.40x = 137,822.31 × 47,472.08
  4. Step 4: Simplify right side
    91,832.40x = 6,542,711,036.99
  5. Step 5: Solve for x
    x = 6,542,711,036.99/91,832.40
  6. Step 6: Final answer
    x = 71,246.22

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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.