Home / 61,123.41-91,685.12-16,750.40

Finding the Fourth Proportional to 61,123.41, 91,685.12 and 16,750.40

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Solution

The fourth proportional to 61,123.41, 91,685.12 and 16,750.40 is: 25,125.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,123.41 : 91,685.12 = 16,750.40 : x
  2. Step 2: Convert to fraction form
    61,123.41/91,685.12 = 16,750.40/x
  3. Step 3: Cross multiply
    61,123.41x = 91,685.12 × 16,750.40
  4. Step 4: Simplify right side
    61,123.41x = 1,535,761,891.87
  5. Step 5: Solve for x
    x = 1,535,761,891.87/61,123.41
  6. Step 6: Final answer
    x = 25,125.59

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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.