Home / 85,057.29-127,507.05-37,647.18

Finding the Fourth Proportional to 85,057.29, 127,507.05 and 37,647.18

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Solution

The fourth proportional to 85,057.29, 127,507.05 and 37,647.18 is: 56,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,057.29 : 127,507.05 = 37,647.18 : x
  2. Step 2: Convert to fraction form
    85,057.29/127,507.05 = 37,647.18/x
  3. Step 3: Cross multiply
    85,057.29x = 127,507.05 × 37,647.18
  4. Step 4: Simplify right side
    85,057.29x = 4,800,280,862.62
  5. Step 5: Solve for x
    x = 4,800,280,862.62/85,057.29
  6. Step 6: Final answer
    x = 56,435.85

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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.