Home / 48,856.80-73,139.40-29,125.20

Finding the Fourth Proportional to 48,856.80, 73,139.40 and 29,125.20

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Solution

The fourth proportional to 48,856.80, 73,139.40 and 29,125.20 is: 43,600.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,856.80 : 73,139.40 = 29,125.20 : x
  2. Step 2: Convert to fraction form
    48,856.80/73,139.40 = 29,125.20/x
  3. Step 3: Cross multiply
    48,856.80x = 73,139.40 × 29,125.20
  4. Step 4: Simplify right side
    48,856.80x = 2,130,199,652.88
  5. Step 5: Solve for x
    x = 2,130,199,652.88/48,856.80
  6. Step 6: Final answer
    x = 43,600.88

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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.