Home / 90,363.96-124,707.06-50,082.12

Finding the Fourth Proportional to 90,363.96, 124,707.06 and 50,082.12

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Solution

The fourth proportional to 90,363.96, 124,707.06 and 50,082.12 is: 69,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,363.96 : 124,707.06 = 50,082.12 : x
  2. Step 2: Convert to fraction form
    90,363.96/124,707.06 = 50,082.12/x
  3. Step 3: Cross multiply
    90,363.96x = 124,707.06 × 50,082.12
  4. Step 4: Simplify right side
    90,363.96x = 6,245,593,943.77
  5. Step 5: Solve for x
    x = 6,245,593,943.77/90,363.96
  6. Step 6: Final answer
    x = 69,115.98

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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.