Home / 48,149.07-72,218.13-13,080.52

Finding the Fourth Proportional to 48,149.07, 72,218.13 and 13,080.52

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Solution

The fourth proportional to 48,149.07, 72,218.13 and 13,080.52 is: 19,619.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,149.07 : 72,218.13 = 13,080.52 : x
  2. Step 2: Convert to fraction form
    48,149.07/72,218.13 = 13,080.52/x
  3. Step 3: Cross multiply
    48,149.07x = 72,218.13 × 13,080.52
  4. Step 4: Simplify right side
    48,149.07x = 944,650,693.83
  5. Step 5: Solve for x
    x = 944,650,693.83/48,149.07
  6. Step 6: Final answer
    x = 19,619.29

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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.