Home / 123,885.62-185,817.50-45,000.53

Finding the Fourth Proportional to 123,885.62, 185,817.50 and 45,000.53

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Solution

The fourth proportional to 123,885.62, 185,817.50 and 45,000.53 is: 67,496.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,885.62 : 185,817.50 = 45,000.53 : x
  2. Step 2: Convert to fraction form
    123,885.62/185,817.50 = 45,000.53/x
  3. Step 3: Cross multiply
    123,885.62x = 185,817.50 × 45,000.53
  4. Step 4: Simplify right side
    123,885.62x = 8,361,886,560.32
  5. Step 5: Solve for x
    x = 8,361,886,560.32/123,885.62
  6. Step 6: Final answer
    x = 67,496.83

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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.