Home / 98,345.25-147,514.07-28,224.57

Finding the Fourth Proportional to 98,345.25, 147,514.07 and 28,224.57

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Solution

The fourth proportional to 98,345.25, 147,514.07 and 28,224.57 is: 42,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,345.25 : 147,514.07 = 28,224.57 : x
  2. Step 2: Convert to fraction form
    98,345.25/147,514.07 = 28,224.57/x
  3. Step 3: Cross multiply
    98,345.25x = 147,514.07 × 28,224.57
  4. Step 4: Simplify right side
    98,345.25x = 4,163,521,053.58
  5. Step 5: Solve for x
    x = 4,163,521,053.58/98,345.25
  6. Step 6: Final answer
    x = 42,335.76

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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.