Home / 123,756.04-170,783.50-67,167.42

Finding the Fourth Proportional to 123,756.04, 170,783.50 and 67,167.42

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Solution

The fourth proportional to 123,756.04, 170,783.50 and 67,167.42 is: 92,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,756.04 : 170,783.50 = 67,167.42 : x
  2. Step 2: Convert to fraction form
    123,756.04/170,783.50 = 67,167.42/x
  3. Step 3: Cross multiply
    123,756.04x = 170,783.50 × 67,167.42
  4. Step 4: Simplify right side
    123,756.04x = 11,471,087,073.57
  5. Step 5: Solve for x
    x = 11,471,087,073.57/123,756.04
  6. Step 6: Final answer
    x = 92,691.13

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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.