Home / 123,621.68-170,597.76-67,032.96

Finding the Fourth Proportional to 123,621.68, 170,597.76 and 67,032.96

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Solution

The fourth proportional to 123,621.68, 170,597.76 and 67,032.96 is: 92,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,621.68 : 170,597.76 = 67,032.96 : x
  2. Step 2: Convert to fraction form
    123,621.68/170,597.76 = 67,032.96/x
  3. Step 3: Cross multiply
    123,621.68x = 170,597.76 × 67,032.96
  4. Step 4: Simplify right side
    123,621.68x = 11,435,672,822.17
  5. Step 5: Solve for x
    x = 11,435,672,822.17/123,621.68
  6. Step 6: Final answer
    x = 92,505.40

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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.