Home / 82,785.92-124,178.89-26,624.79

Finding the Fourth Proportional to 82,785.92, 124,178.89 and 26,624.79

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Solution

The fourth proportional to 82,785.92, 124,178.89 and 26,624.79 is: 39,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,785.92 : 124,178.89 = 26,624.79 : x
  2. Step 2: Convert to fraction form
    82,785.92/124,178.89 = 26,624.79/x
  3. Step 3: Cross multiply
    82,785.92x = 124,178.89 × 26,624.79
  4. Step 4: Simplify right side
    82,785.92x = 3,306,236,802.12
  5. Step 5: Solve for x
    x = 3,306,236,802.12/82,785.92
  6. Step 6: Final answer
    x = 39,937.19

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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.