Home / 89,381.40-123,344.28-48,544.98

Finding the Fourth Proportional to 89,381.40, 123,344.28 and 48,544.98

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Solution

The fourth proportional to 89,381.40, 123,344.28 and 48,544.98 is: 66,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,381.40 : 123,344.28 = 48,544.98 : x
  2. Step 2: Convert to fraction form
    89,381.40/123,344.28 = 48,544.98/x
  3. Step 3: Cross multiply
    89,381.40x = 123,344.28 × 48,544.98
  4. Step 4: Simplify right side
    89,381.40x = 5,987,745,605.71
  5. Step 5: Solve for x
    x = 5,987,745,605.71/89,381.40
  6. Step 6: Final answer
    x = 66,990.96

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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.