Home / 48,114.80-72,172.20-14,831.90

Finding the Fourth Proportional to 48,114.80, 72,172.20 and 14,831.90

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Solution

The fourth proportional to 48,114.80, 72,172.20 and 14,831.90 is: 22,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,114.80 : 72,172.20 = 14,831.90 : x
  2. Step 2: Convert to fraction form
    48,114.80/72,172.20 = 14,831.90/x
  3. Step 3: Cross multiply
    48,114.80x = 72,172.20 × 14,831.90
  4. Step 4: Simplify right side
    48,114.80x = 1,070,450,853.18
  5. Step 5: Solve for x
    x = 1,070,450,853.18/48,114.80
  6. Step 6: Final answer
    x = 22,247.85

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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.