Home / 85,314.06-117,728.08-47,073.91

Finding the Fourth Proportional to 85,314.06, 117,728.08 and 47,073.91

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Solution

The fourth proportional to 85,314.06, 117,728.08 and 47,073.91 is: 64,959.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,314.06 : 117,728.08 = 47,073.91 : x
  2. Step 2: Convert to fraction form
    85,314.06/117,728.08 = 47,073.91/x
  3. Step 3: Cross multiply
    85,314.06x = 117,728.08 × 47,073.91
  4. Step 4: Simplify right side
    85,314.06x = 5,541,921,115.92
  5. Step 5: Solve for x
    x = 5,541,921,115.92/85,314.06
  6. Step 6: Final answer
    x = 64,959.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.