Home / 90,522.29-124,920.83-50,236.08

Finding the Fourth Proportional to 90,522.29, 124,920.83 and 50,236.08

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Solution

The fourth proportional to 90,522.29, 124,920.83 and 50,236.08 is: 69,325.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,522.29 : 124,920.83 = 50,236.08 : x
  2. Step 2: Convert to fraction form
    90,522.29/124,920.83 = 50,236.08/x
  3. Step 3: Cross multiply
    90,522.29x = 124,920.83 × 50,236.08
  4. Step 4: Simplify right side
    90,522.29x = 6,275,533,169.36
  5. Step 5: Solve for x
    x = 6,275,533,169.36/90,522.29
  6. Step 6: Final answer
    x = 69,325.83

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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.