Home / 67,516.10-101,274.15-66,531.95

Finding the Fourth Proportional to 67,516.10, 101,274.15 and 66,531.95

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Solution

The fourth proportional to 67,516.10, 101,274.15 and 66,531.95 is: 99,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,516.10 : 101,274.15 = 66,531.95 : x
  2. Step 2: Convert to fraction form
    67,516.10/101,274.15 = 66,531.95/x
  3. Step 3: Cross multiply
    67,516.10x = 101,274.15 × 66,531.95
  4. Step 4: Simplify right side
    67,516.10x = 6,737,966,684.09
  5. Step 5: Solve for x
    x = 6,737,966,684.09/67,516.10
  6. Step 6: Final answer
    x = 99,797.93

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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.