Home / 98,042.88-147,097.60-42,675.20

Finding the Fourth Proportional to 98,042.88, 147,097.60 and 42,675.20

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Solution

The fourth proportional to 98,042.88, 147,097.60 and 42,675.20 is: 64,027.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,042.88 : 147,097.60 = 42,675.20 : x
  2. Step 2: Convert to fraction form
    98,042.88/147,097.60 = 42,675.20/x
  3. Step 3: Cross multiply
    98,042.88x = 147,097.60 × 42,675.20
  4. Step 4: Simplify right side
    98,042.88x = 6,277,419,499.52
  5. Step 5: Solve for x
    x = 6,277,419,499.52/98,042.88
  6. Step 6: Final answer
    x = 64,027.29

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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.