Home / 82,489.08-123,758.16-26,332.80

Finding the Fourth Proportional to 82,489.08, 123,758.16 and 26,332.80

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Solution

The fourth proportional to 82,489.08, 123,758.16 and 26,332.80 is: 39,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,489.08 : 123,758.16 = 26,332.80 : x
  2. Step 2: Convert to fraction form
    82,489.08/123,758.16 = 26,332.80/x
  3. Step 3: Cross multiply
    82,489.08x = 123,758.16 × 26,332.80
  4. Step 4: Simplify right side
    82,489.08x = 3,258,898,875.65
  5. Step 5: Solve for x
    x = 3,258,898,875.65/82,489.08
  6. Step 6: Final answer
    x = 39,507.03

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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.