Home / 98,117.10-147,175.65-35,811.90

Finding the Fourth Proportional to 98,117.10, 147,175.65 and 35,811.90

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Solution

The fourth proportional to 98,117.10, 147,175.65 and 35,811.90 is: 53,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,117.10 : 147,175.65 = 35,811.90 : x
  2. Step 2: Convert to fraction form
    98,117.10/147,175.65 = 35,811.90/x
  3. Step 3: Cross multiply
    98,117.10x = 147,175.65 × 35,811.90
  4. Step 4: Simplify right side
    98,117.10x = 5,270,639,660.24
  5. Step 5: Solve for x
    x = 5,270,639,660.24/98,117.10
  6. Step 6: Final answer
    x = 53,717.85

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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.