Home / 98,625.28-147,959.80-28,499.26

Finding the Fourth Proportional to 98,625.28, 147,959.80 and 28,499.26

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Solution

The fourth proportional to 98,625.28, 147,959.80 and 28,499.26 is: 42,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,625.28 : 147,959.80 = 28,499.26 : x
  2. Step 2: Convert to fraction form
    98,625.28/147,959.80 = 28,499.26/x
  3. Step 3: Cross multiply
    98,625.28x = 147,959.80 × 28,499.26
  4. Step 4: Simplify right side
    98,625.28x = 4,216,744,809.75
  5. Step 5: Solve for x
    x = 4,216,744,809.75/98,625.28
  6. Step 6: Final answer
    x = 42,755.21

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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.