Home / 52,085.24-71,857.80-38,505.90

Finding the Fourth Proportional to 52,085.24, 71,857.80 and 38,505.90

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Solution

The fourth proportional to 52,085.24, 71,857.80 and 38,505.90 is: 53,123.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,085.24 : 71,857.80 = 38,505.90 : x
  2. Step 2: Convert to fraction form
    52,085.24/71,857.80 = 38,505.90/x
  3. Step 3: Cross multiply
    52,085.24x = 71,857.80 × 38,505.90
  4. Step 4: Simplify right side
    52,085.24x = 2,766,949,261.02
  5. Step 5: Solve for x
    x = 2,766,949,261.02/52,085.24
  6. Step 6: Final answer
    x = 53,123.48

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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.