Home / 90,113.53-124,351.65-49,824.87

Finding the Fourth Proportional to 90,113.53, 124,351.65 and 49,824.87

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Solution

The fourth proportional to 90,113.53, 124,351.65 and 49,824.87 is: 68,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,113.53 : 124,351.65 = 49,824.87 : x
  2. Step 2: Convert to fraction form
    90,113.53/124,351.65 = 49,824.87/x
  3. Step 3: Cross multiply
    90,113.53x = 124,351.65 × 49,824.87
  4. Step 4: Simplify right side
    90,113.53x = 6,195,804,795.54
  5. Step 5: Solve for x
    x = 6,195,804,795.54/90,113.53
  6. Step 6: Final answer
    x = 68,755.54

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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.