Home / 90,113.73-124,351.93-49,825.07

Finding the Fourth Proportional to 90,113.73, 124,351.93 and 49,825.07

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Solution

The fourth proportional to 90,113.73, 124,351.93 and 49,825.07 is: 68,755.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,113.73 : 124,351.93 = 49,825.07 : x
  2. Step 2: Convert to fraction form
    90,113.73/124,351.93 = 49,825.07/x
  3. Step 3: Cross multiply
    90,113.73x = 124,351.93 × 49,825.07
  4. Step 4: Simplify right side
    90,113.73x = 6,195,843,616.89
  5. Step 5: Solve for x
    x = 6,195,843,616.89/90,113.73
  6. Step 6: Final answer
    x = 68,755.82

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1.5x scale

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.