Home / 98,758.13-148,138.45-34,713.68

Finding the Fourth Proportional to 98,758.13, 148,138.45 and 34,713.68

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Solution

The fourth proportional to 98,758.13, 148,138.45 and 34,713.68 is: 52,070.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,758.13 : 148,138.45 = 34,713.68 : x
  2. Step 2: Convert to fraction form
    98,758.13/148,138.45 = 34,713.68/x
  3. Step 3: Cross multiply
    98,758.13x = 148,138.45 × 34,713.68
  4. Step 4: Simplify right side
    98,758.13x = 5,142,430,945.77
  5. Step 5: Solve for x
    x = 5,142,430,945.77/98,758.13
  6. Step 6: Final answer
    x = 52,070.97

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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.