Home / 61,534.68-84,891.24-38,857.92

Finding the Fourth Proportional to 61,534.68, 84,891.24 and 38,857.92

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Solution

The fourth proportional to 61,534.68, 84,891.24 and 38,857.92 is: 53,607.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,534.68 : 84,891.24 = 38,857.92 : x
  2. Step 2: Convert to fraction form
    61,534.68/84,891.24 = 38,857.92/x
  3. Step 3: Cross multiply
    61,534.68x = 84,891.24 × 38,857.92
  4. Step 4: Simplify right side
    61,534.68x = 3,298,697,012.62
  5. Step 5: Solve for x
    x = 3,298,697,012.62/61,534.68
  6. Step 6: Final answer
    x = 53,607.12

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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.