Home / 79,410.28-109,637.46-49,227.70

Finding the Fourth Proportional to 79,410.28, 109,637.46 and 49,227.70

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Solution

The fourth proportional to 79,410.28, 109,637.46 and 49,227.70 is: 67,966.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,410.28 : 109,637.46 = 49,227.70 : x
  2. Step 2: Convert to fraction form
    79,410.28/109,637.46 = 49,227.70/x
  3. Step 3: Cross multiply
    79,410.28x = 109,637.46 × 49,227.70
  4. Step 4: Simplify right side
    79,410.28x = 5,397,199,989.64
  5. Step 5: Solve for x
    x = 5,397,199,989.64/79,410.28
  6. Step 6: Final answer
    x = 67,966.01

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1.5x scale

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.