Home / 67,409.28-101,112.57-29,959.20

Finding the Fourth Proportional to 67,409.28, 101,112.57 and 29,959.20

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Solution

The fourth proportional to 67,409.28, 101,112.57 and 29,959.20 is: 44,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,409.28 : 101,112.57 = 29,959.20 : x
  2. Step 2: Convert to fraction form
    67,409.28/101,112.57 = 29,959.20/x
  3. Step 3: Cross multiply
    67,409.28x = 101,112.57 × 29,959.20
  4. Step 4: Simplify right side
    67,409.28x = 3,029,251,707.14
  5. Step 5: Solve for x
    x = 3,029,251,707.14/67,409.28
  6. Step 6: Final answer
    x = 44,938.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.