Home / 48,689.47-72,842.04-36,877.28

Finding the Fourth Proportional to 48,689.47, 72,842.04 and 36,877.28

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Solution

The fourth proportional to 48,689.47, 72,842.04 and 36,877.28 is: 55,170.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,689.47 : 72,842.04 = 36,877.28 : x
  2. Step 2: Convert to fraction form
    48,689.47/72,842.04 = 36,877.28/x
  3. Step 3: Cross multiply
    48,689.47x = 72,842.04 × 36,877.28
  4. Step 4: Simplify right side
    48,689.47x = 2,686,215,940.64
  5. Step 5: Solve for x
    x = 2,686,215,940.64/48,689.47
  6. Step 6: Final answer
    x = 55,170.37

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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.