Home / 123,746.52-170,770.29-67,157.88

Finding the Fourth Proportional to 123,746.52, 170,770.29 and 67,157.88

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Solution

The fourth proportional to 123,746.52, 170,770.29 and 67,157.88 is: 92,677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,746.52 : 170,770.29 = 67,157.88 : x
  2. Step 2: Convert to fraction form
    123,746.52/170,770.29 = 67,157.88/x
  3. Step 3: Cross multiply
    123,746.52x = 170,770.29 × 67,157.88
  4. Step 4: Simplify right side
    123,746.52x = 11,468,570,643.39
  5. Step 5: Solve for x
    x = 11,468,570,643.39/123,746.52
  6. Step 6: Final answer
    x = 92,677.92

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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.