Home / 107,528.46-148,380.87-59,778.90

Finding the Fourth Proportional to 107,528.46, 148,380.87 and 59,778.90

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Solution

The fourth proportional to 107,528.46, 148,380.87 and 59,778.90 is: 82,490.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,528.46 : 148,380.87 = 59,778.90 : x
  2. Step 2: Convert to fraction form
    107,528.46/148,380.87 = 59,778.90/x
  3. Step 3: Cross multiply
    107,528.46x = 148,380.87 × 59,778.90
  4. Step 4: Simplify right side
    107,528.46x = 8,870,045,189.64
  5. Step 5: Solve for x
    x = 8,870,045,189.64/107,528.46
  6. Step 6: Final answer
    x = 82,490.21

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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.