Home / 48,633.05-72,943.42-13,097.20

Finding the Fourth Proportional to 48,633.05, 72,943.42 and 13,097.20

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Solution

The fourth proportional to 48,633.05, 72,943.42 and 13,097.20 is: 19,644.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,633.05 : 72,943.42 = 13,097.20 : x
  2. Step 2: Convert to fraction form
    48,633.05/72,943.42 = 13,097.20/x
  3. Step 3: Cross multiply
    48,633.05x = 72,943.42 × 13,097.20
  4. Step 4: Simplify right side
    48,633.05x = 955,354,560.42
  5. Step 5: Solve for x
    x = 955,354,560.42/48,633.05
  6. Step 6: Final answer
    x = 19,644.14

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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.