Home / 121,491.08-182,251.98-47,609.48

Finding the Fourth Proportional to 121,491.08, 182,251.98 and 47,609.48

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Solution

The fourth proportional to 121,491.08, 182,251.98 and 47,609.48 is: 71,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,491.08 : 182,251.98 = 47,609.48 : x
  2. Step 2: Convert to fraction form
    121,491.08/182,251.98 = 47,609.48/x
  3. Step 3: Cross multiply
    121,491.08x = 182,251.98 × 47,609.48
  4. Step 4: Simplify right side
    121,491.08x = 8,676,921,996.77
  5. Step 5: Solve for x
    x = 8,676,921,996.77/121,491.08
  6. Step 6: Final answer
    x = 71,420.24

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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.