Home / 85,257.16-127,898.90-29,084.11

Finding the Fourth Proportional to 85,257.16, 127,898.90 and 29,084.11

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Solution

The fourth proportional to 85,257.16, 127,898.90 and 29,084.11 is: 43,630.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,257.16 : 127,898.90 = 29,084.11 : x
  2. Step 2: Convert to fraction form
    85,257.16/127,898.90 = 29,084.11/x
  3. Step 3: Cross multiply
    85,257.16x = 127,898.90 × 29,084.11
  4. Step 4: Simplify right side
    85,257.16x = 3,719,826,039.81
  5. Step 5: Solve for x
    x = 3,719,826,039.81/85,257.16
  6. Step 6: Final answer
    x = 43,630.66

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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.