Home / 98,562.08-147,844.20-28,442

Finding the Fourth Proportional to 98,562.08, 147,844.20 and 28,442

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Solution

The fourth proportional to 98,562.08, 147,844.20 and 28,442 is: 42,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,562.08 : 147,844.20 = 28,442 : x
  2. Step 2: Convert to fraction form
    98,562.08/147,844.20 = 28,442/x
  3. Step 3: Cross multiply
    98,562.08x = 147,844.20 × 28,442
  4. Step 4: Simplify right side
    98,562.08x = 4,204,984,736.40
  5. Step 5: Solve for x
    x = 4,204,984,736.40/98,562.08
  6. Step 6: Final answer
    x = 42,663.31

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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.