Home / 61,033.72-91,390.38-49,124.20

Finding the Fourth Proportional to 61,033.72, 91,390.38 and 49,124.20

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Solution

The fourth proportional to 61,033.72, 91,390.38 and 49,124.20 is: 73,557.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,033.72 : 91,390.38 = 49,124.20 : x
  2. Step 2: Convert to fraction form
    61,033.72/91,390.38 = 49,124.20/x
  3. Step 3: Cross multiply
    61,033.72x = 91,390.38 × 49,124.20
  4. Step 4: Simplify right side
    61,033.72x = 4,489,479,305.20
  5. Step 5: Solve for x
    x = 4,489,479,305.20/61,033.72
  6. Step 6: Final answer
    x = 73,557.36

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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.