Home / 102,065.13-152,770.13-54,561.44

Finding the Fourth Proportional to 102,065.13, 152,770.13 and 54,561.44

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Solution

The fourth proportional to 102,065.13, 152,770.13 and 54,561.44 is: 81,667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,065.13 : 152,770.13 = 54,561.44 : x
  2. Step 2: Convert to fraction form
    102,065.13/152,770.13 = 54,561.44/x
  3. Step 3: Cross multiply
    102,065.13x = 152,770.13 × 54,561.44
  4. Step 4: Simplify right side
    102,065.13x = 8,335,357,245.13
  5. Step 5: Solve for x
    x = 8,335,357,245.13/102,065.13
  6. Step 6: Final answer
    x = 81,667.04

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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.