Home / 85,525.14-128,306.61-29,363.97

Finding the Fourth Proportional to 85,525.14, 128,306.61 and 29,363.97

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Solution

The fourth proportional to 85,525.14, 128,306.61 and 29,363.97 is: 44,052.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,525.14 : 128,306.61 = 29,363.97 : x
  2. Step 2: Convert to fraction form
    85,525.14/128,306.61 = 29,363.97/x
  3. Step 3: Cross multiply
    85,525.14x = 128,306.61 × 29,363.97
  4. Step 4: Simplify right side
    85,525.14x = 3,767,591,446.84
  5. Step 5: Solve for x
    x = 3,767,591,446.84/85,525.14
  6. Step 6: Final answer
    x = 44,052.44

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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.