Home / 98,537.64-147,805.38-28,414.68

Finding the Fourth Proportional to 98,537.64, 147,805.38 and 28,414.68

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Solution

The fourth proportional to 98,537.64, 147,805.38 and 28,414.68 is: 42,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,537.64 : 147,805.38 = 28,414.68 : x
  2. Step 2: Convert to fraction form
    98,537.64/147,805.38 = 28,414.68/x
  3. Step 3: Cross multiply
    98,537.64x = 147,805.38 × 28,414.68
  4. Step 4: Simplify right side
    98,537.64x = 4,199,842,574.98
  5. Step 5: Solve for x
    x = 4,199,842,574.98/98,537.64
  6. Step 6: Final answer
    x = 42,621.71

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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.