Home / 86,238.23-129,357.38-38,797.92

Finding the Fourth Proportional to 86,238.23, 129,357.38 and 38,797.92

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Solution

The fourth proportional to 86,238.23, 129,357.38 and 38,797.92 is: 58,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,238.23 : 129,357.38 = 38,797.92 : x
  2. Step 2: Convert to fraction form
    86,238.23/129,357.38 = 38,797.92/x
  3. Step 3: Cross multiply
    86,238.23x = 129,357.38 × 38,797.92
  4. Step 4: Simplify right side
    86,238.23x = 5,018,797,280.65
  5. Step 5: Solve for x
    x = 5,018,797,280.65/86,238.23
  6. Step 6: Final answer
    x = 58,196.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.