Home / 65,650.44-90,439.56-52,217.40

Finding the Fourth Proportional to 65,650.44, 90,439.56 and 52,217.40

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Solution

The fourth proportional to 65,650.44, 90,439.56 and 52,217.40 is: 71,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,650.44 : 90,439.56 = 52,217.40 : x
  2. Step 2: Convert to fraction form
    65,650.44/90,439.56 = 52,217.40/x
  3. Step 3: Cross multiply
    65,650.44x = 90,439.56 × 52,217.40
  4. Step 4: Simplify right side
    65,650.44x = 4,722,518,680.34
  5. Step 5: Solve for x
    x = 4,722,518,680.34/65,650.44
  6. Step 6: Final answer
    x = 71,934.30

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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.