Home / 63,734.28-87,952.20-35,439.36

Finding the Fourth Proportional to 63,734.28, 87,952.20 and 35,439.36

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Solution

The fourth proportional to 63,734.28, 87,952.20 and 35,439.36 is: 48,905.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,734.28 : 87,952.20 = 35,439.36 : x
  2. Step 2: Convert to fraction form
    63,734.28/87,952.20 = 35,439.36/x
  3. Step 3: Cross multiply
    63,734.28x = 87,952.20 × 35,439.36
  4. Step 4: Simplify right side
    63,734.28x = 3,116,969,678.59
  5. Step 5: Solve for x
    x = 3,116,969,678.59/63,734.28
  6. Step 6: Final answer
    x = 48,905.70

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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.