Home / 84,624.32-116,766.23-54,402.71

Finding the Fourth Proportional to 84,624.32, 116,766.23 and 54,402.71

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Solution

The fourth proportional to 84,624.32, 116,766.23 and 54,402.71 is: 75,065.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,624.32 : 116,766.23 = 54,402.71 : x
  2. Step 2: Convert to fraction form
    84,624.32/116,766.23 = 54,402.71/x
  3. Step 3: Cross multiply
    84,624.32x = 116,766.23 × 54,402.71
  4. Step 4: Simplify right side
    84,624.32x = 6,352,399,776.41
  5. Step 5: Solve for x
    x = 6,352,399,776.41/84,624.32
  6. Step 6: Final answer
    x = 75,065.89

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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.