Home / 91,576.86-137,254.38-38,875.68

Finding the Fourth Proportional to 91,576.86, 137,254.38 and 38,875.68

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Solution

The fourth proportional to 91,576.86, 137,254.38 and 38,875.68 is: 58,266.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,576.86 : 137,254.38 = 38,875.68 : x
  2. Step 2: Convert to fraction form
    91,576.86/137,254.38 = 38,875.68/x
  3. Step 3: Cross multiply
    91,576.86x = 137,254.38 × 38,875.68
  4. Step 4: Simplify right side
    91,576.86x = 5,335,857,355.48
  5. Step 5: Solve for x
    x = 5,335,857,355.48/91,576.86
  6. Step 6: Final answer
    x = 58,266.44

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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.