Home / 117,679.23-176,463.39-42,746.55

Finding the Fourth Proportional to 117,679.23, 176,463.39 and 42,746.55

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Solution

The fourth proportional to 117,679.23, 176,463.39 and 42,746.55 is: 64,099.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,679.23 : 176,463.39 = 42,746.55 : x
  2. Step 2: Convert to fraction form
    117,679.23/176,463.39 = 42,746.55/x
  3. Step 3: Cross multiply
    117,679.23x = 176,463.39 × 42,746.55
  4. Step 4: Simplify right side
    117,679.23x = 7,543,201,123.80
  5. Step 5: Solve for x
    x = 7,543,201,123.80/117,679.23
  6. Step 6: Final answer
    x = 64,099.68

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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.