Home / 98,979.77-148,478.27-27,902.88

Finding the Fourth Proportional to 98,979.77, 148,478.27 and 27,902.88

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Solution

The fourth proportional to 98,979.77, 148,478.27 and 27,902.88 is: 41,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,979.77 : 148,478.27 = 27,902.88 : x
  2. Step 2: Convert to fraction form
    98,979.77/148,478.27 = 27,902.88/x
  3. Step 3: Cross multiply
    98,979.77x = 148,478.27 × 27,902.88
  4. Step 4: Simplify right side
    98,979.77x = 4,142,971,210.90
  5. Step 5: Solve for x
    x = 4,142,971,210.90/98,979.77
  6. Step 6: Final answer
    x = 41,856.75

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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.