Home / 57,085.52-78,778.24-31,935.04

Finding the Fourth Proportional to 57,085.52, 78,778.24 and 31,935.04

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Solution

The fourth proportional to 57,085.52, 78,778.24 and 31,935.04 is: 44,070.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,085.52 : 78,778.24 = 31,935.04 : x
  2. Step 2: Convert to fraction form
    57,085.52/78,778.24 = 31,935.04/x
  3. Step 3: Cross multiply
    57,085.52x = 78,778.24 × 31,935.04
  4. Step 4: Simplify right side
    57,085.52x = 2,515,786,245.53
  5. Step 5: Solve for x
    x = 2,515,786,245.53/57,085.52
  6. Step 6: Final answer
    x = 44,070.48

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1.5x scale

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.