Home / 48,722.40-73,052.28-19,143.36

Finding the Fourth Proportional to 48,722.40, 73,052.28 and 19,143.36

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Solution

The fourth proportional to 48,722.40, 73,052.28 and 19,143.36 is: 28,702.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,722.40 : 73,052.28 = 19,143.36 : x
  2. Step 2: Convert to fraction form
    48,722.40/73,052.28 = 19,143.36/x
  3. Step 3: Cross multiply
    48,722.40x = 73,052.28 × 19,143.36
  4. Step 4: Simplify right side
    48,722.40x = 1,398,466,094.86
  5. Step 5: Solve for x
    x = 1,398,466,094.86/48,722.40
  6. Step 6: Final answer
    x = 28,702.73

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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.