Home / 61,555.28-92,339.60-19,436.49

Finding the Fourth Proportional to 61,555.28, 92,339.60 and 19,436.49

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Solution

The fourth proportional to 61,555.28, 92,339.60 and 19,436.49 is: 29,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,555.28 : 92,339.60 = 19,436.49 : x
  2. Step 2: Convert to fraction form
    61,555.28/92,339.60 = 19,436.49/x
  3. Step 3: Cross multiply
    61,555.28x = 92,339.60 × 19,436.49
  4. Step 4: Simplify right side
    61,555.28x = 1,794,757,614.82
  5. Step 5: Solve for x
    x = 1,794,757,614.82/61,555.28
  6. Step 6: Final answer
    x = 29,156.85

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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.