Home / 48,049.20-72,073.80-31,460.40

Finding the Fourth Proportional to 48,049.20, 72,073.80 and 31,460.40

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Solution

The fourth proportional to 48,049.20, 72,073.80 and 31,460.40 is: 47,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,049.20 : 72,073.80 = 31,460.40 : x
  2. Step 2: Convert to fraction form
    48,049.20/72,073.80 = 31,460.40/x
  3. Step 3: Cross multiply
    48,049.20x = 72,073.80 × 31,460.40
  4. Step 4: Simplify right side
    48,049.20x = 2,267,470,577.52
  5. Step 5: Solve for x
    x = 2,267,470,577.52/48,049.20
  6. Step 6: Final answer
    x = 47,190.60

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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.