Home / 48,700.32-67,207.68-31,711.20

Finding the Fourth Proportional to 48,700.32, 67,207.68 and 31,711.20

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Solution

The fourth proportional to 48,700.32, 67,207.68 and 31,711.20 is: 43,762.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,700.32 : 67,207.68 = 31,711.20 : x
  2. Step 2: Convert to fraction form
    48,700.32/67,207.68 = 31,711.20/x
  3. Step 3: Cross multiply
    48,700.32x = 67,207.68 × 31,711.20
  4. Step 4: Simplify right side
    48,700.32x = 2,131,236,182.02
  5. Step 5: Solve for x
    x = 2,131,236,182.02/48,700.32
  6. Step 6: Final answer
    x = 43,762.26

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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.