Home / 48,778.76-73,168.16-13,718.40

Finding the Fourth Proportional to 48,778.76, 73,168.16 and 13,718.40

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Solution

The fourth proportional to 48,778.76, 73,168.16 and 13,718.40 is: 20,577.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,778.76 : 73,168.16 = 13,718.40 : x
  2. Step 2: Convert to fraction form
    48,778.76/73,168.16 = 13,718.40/x
  3. Step 3: Cross multiply
    48,778.76x = 73,168.16 × 13,718.40
  4. Step 4: Simplify right side
    48,778.76x = 1,003,750,086.14
  5. Step 5: Solve for x
    x = 1,003,750,086.14/48,778.76
  6. Step 6: Final answer
    x = 20,577.61

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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.