Home / 98,236.98-147,354.30-42,029.28

Finding the Fourth Proportional to 98,236.98, 147,354.30 and 42,029.28

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Solution

The fourth proportional to 98,236.98, 147,354.30 and 42,029.28 is: 63,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,236.98 : 147,354.30 = 42,029.28 : x
  2. Step 2: Convert to fraction form
    98,236.98/147,354.30 = 42,029.28/x
  3. Step 3: Cross multiply
    98,236.98x = 147,354.30 × 42,029.28
  4. Step 4: Simplify right side
    98,236.98x = 6,193,195,133.90
  5. Step 5: Solve for x
    x = 6,193,195,133.90/98,236.98
  6. Step 6: Final answer
    x = 63,043.42

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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.