Home / 117,621.74-176,439.20-37,666.76

Finding the Fourth Proportional to 117,621.74, 176,439.20 and 37,666.76

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Solution

The fourth proportional to 117,621.74, 176,439.20 and 37,666.76 is: 56,502.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,621.74 : 176,439.20 = 37,666.76 : x
  2. Step 2: Convert to fraction form
    117,621.74/176,439.20 = 37,666.76/x
  3. Step 3: Cross multiply
    117,621.74x = 176,439.20 × 37,666.76
  4. Step 4: Simplify right side
    117,621.74x = 6,645,891,930.46
  5. Step 5: Solve for x
    x = 6,645,891,930.46/117,621.74
  6. Step 6: Final answer
    x = 56,502.24

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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.