Home / 90,120.03-124,363.18-49,832.42

Finding the Fourth Proportional to 90,120.03, 124,363.18 and 49,832.42

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Solution

The fourth proportional to 90,120.03, 124,363.18 and 49,832.42 is: 68,767.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,120.03 : 124,363.18 = 49,832.42 : x
  2. Step 2: Convert to fraction form
    90,120.03/124,363.18 = 49,832.42/x
  3. Step 3: Cross multiply
    90,120.03x = 124,363.18 × 49,832.42
  4. Step 4: Simplify right side
    90,120.03x = 6,197,318,708.08
  5. Step 5: Solve for x
    x = 6,197,318,708.08/90,120.03
  6. Step 6: Final answer
    x = 68,767.38

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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.