Home / 88,016.47-131,971.96-28,019.04

Finding the Fourth Proportional to 88,016.47, 131,971.96 and 28,019.04

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Solution

The fourth proportional to 88,016.47, 131,971.96 and 28,019.04 is: 42,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,016.47 : 131,971.96 = 28,019.04 : x
  2. Step 2: Convert to fraction form
    88,016.47/131,971.96 = 28,019.04/x
  3. Step 3: Cross multiply
    88,016.47x = 131,971.96 × 28,019.04
  4. Step 4: Simplify right side
    88,016.47x = 3,697,727,626.12
  5. Step 5: Solve for x
    x = 3,697,727,626.12/88,016.47
  6. Step 6: Final answer
    x = 42,011.77

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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.