Home / 110,458.23-152,431.40-67,428.66

Finding the Fourth Proportional to 110,458.23, 152,431.40 and 67,428.66

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Solution

The fourth proportional to 110,458.23, 152,431.40 and 67,428.66 is: 93,050.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,458.23 : 152,431.40 = 67,428.66 : x
  2. Step 2: Convert to fraction form
    110,458.23/152,431.40 = 67,428.66/x
  3. Step 3: Cross multiply
    110,458.23x = 152,431.40 × 67,428.66
  4. Step 4: Simplify right side
    110,458.23x = 10,278,244,706.78
  5. Step 5: Solve for x
    x = 10,278,244,706.78/110,458.23
  6. Step 6: Final answer
    x = 93,050.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.