Home / 117,685.23-176,472.39-42,752.55

Finding the Fourth Proportional to 117,685.23, 176,472.39 and 42,752.55

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Solution

The fourth proportional to 117,685.23, 176,472.39 and 42,752.55 is: 64,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,685.23 : 176,472.39 = 42,752.55 : x
  2. Step 2: Convert to fraction form
    117,685.23/176,472.39 = 42,752.55/x
  3. Step 3: Cross multiply
    117,685.23x = 176,472.39 × 42,752.55
  4. Step 4: Simplify right side
    117,685.23x = 7,544,644,677.09
  5. Step 5: Solve for x
    x = 7,544,644,677.09/117,685.23
  6. Step 6: Final answer
    x = 64,108.68

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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.