Home / 69,127.12-95,186.12-57,929.68

Finding the Fourth Proportional to 69,127.12, 95,186.12 and 57,929.68

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Solution

The fourth proportional to 69,127.12, 95,186.12 and 57,929.68 is: 79,767.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,127.12 : 95,186.12 = 57,929.68 : x
  2. Step 2: Convert to fraction form
    69,127.12/95,186.12 = 57,929.68/x
  3. Step 3: Cross multiply
    69,127.12x = 95,186.12 × 57,929.68
  4. Step 4: Simplify right side
    69,127.12x = 5,514,101,472.04
  5. Step 5: Solve for x
    x = 5,514,101,472.04/69,127.12
  6. Step 6: Final answer
    x = 79,767.56

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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.