Home / 90,540.16-124,960.38-50,266.84

Finding the Fourth Proportional to 90,540.16, 124,960.38 and 50,266.84

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Solution

The fourth proportional to 90,540.16, 124,960.38 and 50,266.84 is: 69,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,540.16 : 124,960.38 = 50,266.84 : x
  2. Step 2: Convert to fraction form
    90,540.16/124,960.38 = 50,266.84/x
  3. Step 3: Cross multiply
    90,540.16x = 124,960.38 × 50,266.84
  4. Step 4: Simplify right side
    90,540.16x = 6,281,363,427.80
  5. Step 5: Solve for x
    x = 6,281,363,427.80/90,540.16
  6. Step 6: Final answer
    x = 69,376.54

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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.