Home / 85,098.82-127,589.11-37,688.07

Finding the Fourth Proportional to 85,098.82, 127,589.11 and 37,688.07

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Solution

The fourth proportional to 85,098.82, 127,589.11 and 37,688.07 is: 56,505.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,098.82 : 127,589.11 = 37,688.07 : x
  2. Step 2: Convert to fraction form
    85,098.82/127,589.11 = 37,688.07/x
  3. Step 3: Cross multiply
    85,098.82x = 127,589.11 × 37,688.07
  4. Step 4: Simplify right side
    85,098.82x = 4,808,587,905.15
  5. Step 5: Solve for x
    x = 4,808,587,905.15/85,098.82
  6. Step 6: Final answer
    x = 56,505.93

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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.