Home / 70,145.20-96,798.88-38,314.24

Finding the Fourth Proportional to 70,145.20, 96,798.88 and 38,314.24

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Solution

The fourth proportional to 70,145.20, 96,798.88 and 38,314.24 is: 52,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,145.20 : 96,798.88 = 38,314.24 : x
  2. Step 2: Convert to fraction form
    70,145.20/96,798.88 = 38,314.24/x
  3. Step 3: Cross multiply
    70,145.20x = 96,798.88 × 38,314.24
  4. Step 4: Simplify right side
    70,145.20x = 3,708,775,520.05
  5. Step 5: Solve for x
    x = 3,708,775,520.05/70,145.20
  6. Step 6: Final answer
    x = 52,872.83

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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.