Home / 48,149.12-72,224.40-31,614.32

Finding the Fourth Proportional to 48,149.12, 72,224.40 and 31,614.32

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Solution

The fourth proportional to 48,149.12, 72,224.40 and 31,614.32 is: 47,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,149.12 : 72,224.40 = 31,614.32 : x
  2. Step 2: Convert to fraction form
    48,149.12/72,224.40 = 31,614.32/x
  3. Step 3: Cross multiply
    48,149.12x = 72,224.40 × 31,614.32
  4. Step 4: Simplify right side
    48,149.12x = 2,283,325,293.41
  5. Step 5: Solve for x
    x = 2,283,325,293.41/48,149.12
  6. Step 6: Final answer
    x = 47,421.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.