Home / 110,269.71-152,170.13-61,872.50

Finding the Fourth Proportional to 110,269.71, 152,170.13 and 61,872.50

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Solution

The fourth proportional to 110,269.71, 152,170.13 and 61,872.50 is: 85,382.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,269.71 : 152,170.13 = 61,872.50 : x
  2. Step 2: Convert to fraction form
    110,269.71/152,170.13 = 61,872.50/x
  3. Step 3: Cross multiply
    110,269.71x = 152,170.13 × 61,872.50
  4. Step 4: Simplify right side
    110,269.71x = 9,415,146,903.53
  5. Step 5: Solve for x
    x = 9,415,146,903.53/110,269.71
  6. Step 6: Final answer
    x = 85,382.89

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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.