Home / 117,621.76-176,298.72-47,418.88

Finding the Fourth Proportional to 117,621.76, 176,298.72 and 47,418.88

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Solution

The fourth proportional to 117,621.76, 176,298.72 and 47,418.88 is: 71,074.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,621.76 : 176,298.72 = 47,418.88 : x
  2. Step 2: Convert to fraction form
    117,621.76/176,298.72 = 47,418.88/x
  3. Step 3: Cross multiply
    117,621.76x = 176,298.72 × 47,418.88
  4. Step 4: Simplify right side
    117,621.76x = 8,359,887,847.83
  5. Step 5: Solve for x
    x = 8,359,887,847.83/117,621.76
  6. Step 6: Final answer
    x = 71,074.33

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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.