Home / 98,010.36-147,064.12-38,844.72

Finding the Fourth Proportional to 98,010.36, 147,064.12 and 38,844.72

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Solution

The fourth proportional to 98,010.36, 147,064.12 and 38,844.72 is: 58,286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,010.36 : 147,064.12 = 38,844.72 : x
  2. Step 2: Convert to fraction form
    98,010.36/147,064.12 = 38,844.72/x
  3. Step 3: Cross multiply
    98,010.36x = 147,064.12 × 38,844.72
  4. Step 4: Simplify right side
    98,010.36x = 5,712,664,563.45
  5. Step 5: Solve for x
    x = 5,712,664,563.45/98,010.36
  6. Step 6: Final answer
    x = 58,286.33

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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.