Home / 98,041.88-147,111.42-38,876.28

Finding the Fourth Proportional to 98,041.88, 147,111.42 and 38,876.28

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Solution

The fourth proportional to 98,041.88, 147,111.42 and 38,876.28 is: 58,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,041.88 : 147,111.42 = 38,876.28 : x
  2. Step 2: Convert to fraction form
    98,041.88/147,111.42 = 38,876.28/x
  3. Step 3: Cross multiply
    98,041.88x = 147,111.42 × 38,876.28
  4. Step 4: Simplify right side
    98,041.88x = 5,719,144,755.12
  5. Step 5: Solve for x
    x = 5,719,144,755.12/98,041.88
  6. Step 6: Final answer
    x = 58,333.69

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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.