Home / 66,479.55-99,718.50-16,560.06

Finding the Fourth Proportional to 66,479.55, 99,718.50 and 16,560.06

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Solution

The fourth proportional to 66,479.55, 99,718.50 and 16,560.06 is: 24,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,479.55 : 99,718.50 = 16,560.06 : x
  2. Step 2: Convert to fraction form
    66,479.55/99,718.50 = 16,560.06/x
  3. Step 3: Cross multiply
    66,479.55x = 99,718.50 × 16,560.06
  4. Step 4: Simplify right side
    66,479.55x = 1,651,344,343.11
  5. Step 5: Solve for x
    x = 1,651,344,343.11/66,479.55
  6. Step 6: Final answer
    x = 24,839.88

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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.