Home / 123,514.61-185,298.01-47,615.09

Finding the Fourth Proportional to 123,514.61, 185,298.01 and 47,615.09

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Solution

The fourth proportional to 123,514.61, 185,298.01 and 47,615.09 is: 71,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,514.61 : 185,298.01 = 47,615.09 : x
  2. Step 2: Convert to fraction form
    123,514.61/185,298.01 = 47,615.09/x
  3. Step 3: Cross multiply
    123,514.61x = 185,298.01 × 47,615.09
  4. Step 4: Simplify right side
    123,514.61x = 8,822,980,377.44
  5. Step 5: Solve for x
    x = 8,822,980,377.44/123,514.61
  6. Step 6: Final answer
    x = 71,432.69

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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.