Home / 124,720.23-172,113.87-67,359.57

Finding the Fourth Proportional to 124,720.23, 172,113.87 and 67,359.57

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Solution

The fourth proportional to 124,720.23, 172,113.87 and 67,359.57 is: 92,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,720.23 : 172,113.87 = 67,359.57 : x
  2. Step 2: Convert to fraction form
    124,720.23/172,113.87 = 67,359.57/x
  3. Step 3: Cross multiply
    124,720.23x = 172,113.87 × 67,359.57
  4. Step 4: Simplify right side
    124,720.23x = 11,593,516,274.24
  5. Step 5: Solve for x
    x = 11,593,516,274.24/124,720.23
  6. Step 6: Final answer
    x = 92,956.18

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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.