Home / 109,019.12-163,429.65-38,882.03

Finding the Fourth Proportional to 109,019.12, 163,429.65 and 38,882.03

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Solution

The fourth proportional to 109,019.12, 163,429.65 and 38,882.03 is: 58,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,019.12 : 163,429.65 = 38,882.03 : x
  2. Step 2: Convert to fraction form
    109,019.12/163,429.65 = 38,882.03/x
  3. Step 3: Cross multiply
    109,019.12x = 163,429.65 × 38,882.03
  4. Step 4: Simplify right side
    109,019.12x = 6,354,475,737.04
  5. Step 5: Solve for x
    x = 6,354,475,737.04/109,019.12
  6. Step 6: Final answer
    x = 58,287.72

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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.