Home / 124,947.84-172,432.16-68,359.24

Finding the Fourth Proportional to 124,947.84, 172,432.16 and 68,359.24

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Solution

The fourth proportional to 124,947.84, 172,432.16 and 68,359.24 is: 94,338.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,947.84 : 172,432.16 = 68,359.24 : x
  2. Step 2: Convert to fraction form
    124,947.84/172,432.16 = 68,359.24/x
  3. Step 3: Cross multiply
    124,947.84x = 172,432.16 × 68,359.24
  4. Step 4: Simplify right side
    124,947.84x = 11,787,331,409.16
  5. Step 5: Solve for x
    x = 11,787,331,409.16/124,947.84
  6. Step 6: Final answer
    x = 94,338.02

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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.