Home / 90,026.95-124,233.83-49,739.85

Finding the Fourth Proportional to 90,026.95, 124,233.83 and 49,739.85

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Solution

The fourth proportional to 90,026.95, 124,233.83 and 49,739.85 is: 68,639.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,026.95 : 124,233.83 = 49,739.85 : x
  2. Step 2: Convert to fraction form
    90,026.95/124,233.83 = 49,739.85/x
  3. Step 3: Cross multiply
    90,026.95x = 124,233.83 × 49,739.85
  4. Step 4: Simplify right side
    90,026.95x = 6,179,371,727.60
  5. Step 5: Solve for x
    x = 6,179,371,727.60/90,026.95
  6. Step 6: Final answer
    x = 68,639.13

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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.