Home / 48,760.80-72,995.40-29,029.20

Finding the Fourth Proportional to 48,760.80, 72,995.40 and 29,029.20

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Solution

The fourth proportional to 48,760.80, 72,995.40 and 29,029.20 is: 43,457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,760.80 : 72,995.40 = 29,029.20 : x
  2. Step 2: Convert to fraction form
    48,760.80/72,995.40 = 29,029.20/x
  3. Step 3: Cross multiply
    48,760.80x = 72,995.40 × 29,029.20
  4. Step 4: Simplify right side
    48,760.80x = 2,118,998,065.68
  5. Step 5: Solve for x
    x = 2,118,998,065.68/48,760.80
  6. Step 6: Final answer
    x = 43,457.00

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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.