Home / 90,024.57-124,233.39-49,738.34

Finding the Fourth Proportional to 90,024.57, 124,233.39 and 49,738.34

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Solution

The fourth proportional to 90,024.57, 124,233.39 and 49,738.34 is: 68,638.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,024.57 : 124,233.39 = 49,738.34 : x
  2. Step 2: Convert to fraction form
    90,024.57/124,233.39 = 49,738.34/x
  3. Step 3: Cross multiply
    90,024.57x = 124,233.39 × 49,738.34
  4. Step 4: Simplify right side
    90,024.57x = 6,179,161,970.01
  5. Step 5: Solve for x
    x = 6,179,161,970.01/90,024.57
  6. Step 6: Final answer
    x = 68,638.62

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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.