Home / 90,118.98-124,358.85-49,829.58

Finding the Fourth Proportional to 90,118.98, 124,358.85 and 49,829.58

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Solution

The fourth proportional to 90,118.98, 124,358.85 and 49,829.58 is: 68,761.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,118.98 : 124,358.85 = 49,829.58 : x
  2. Step 2: Convert to fraction form
    90,118.98/124,358.85 = 49,829.58/x
  3. Step 3: Cross multiply
    90,118.98x = 124,358.85 × 49,829.58
  4. Step 4: Simplify right side
    90,118.98x = 6,196,749,264.78
  5. Step 5: Solve for x
    x = 6,196,749,264.78/90,118.98
  6. Step 6: Final answer
    x = 68,761.87

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