Home / 84,705.43-127,059.13-25,541.61

Finding the Fourth Proportional to 84,705.43, 127,059.13 and 25,541.61

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Solution

The fourth proportional to 84,705.43, 127,059.13 and 25,541.61 is: 38,312.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,705.43 : 127,059.13 = 25,541.61 : x
  2. Step 2: Convert to fraction form
    84,705.43/127,059.13 = 25,541.61/x
  3. Step 3: Cross multiply
    84,705.43x = 127,059.13 × 25,541.61
  4. Step 4: Simplify right side
    84,705.43x = 3,245,295,015.56
  5. Step 5: Solve for x
    x = 3,245,295,015.56/84,705.43
  6. Step 6: Final answer
    x = 38,312.72

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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.