Home / 91,818.30-137,728.06-25,265.46

Finding the Fourth Proportional to 91,818.30, 137,728.06 and 25,265.46

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Solution

The fourth proportional to 91,818.30, 137,728.06 and 25,265.46 is: 37,898.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,818.30 : 137,728.06 = 25,265.46 : x
  2. Step 2: Convert to fraction form
    91,818.30/137,728.06 = 25,265.46/x
  3. Step 3: Cross multiply
    91,818.30x = 137,728.06 × 25,265.46
  4. Step 4: Simplify right side
    91,818.30x = 3,479,762,790.81
  5. Step 5: Solve for x
    x = 3,479,762,790.81/91,818.30
  6. Step 6: Final answer
    x = 37,898.36

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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.