Home / 90,523.68-124,920.75-50,237.10

Finding the Fourth Proportional to 90,523.68, 124,920.75 and 50,237.10

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Solution

The fourth proportional to 90,523.68, 124,920.75 and 50,237.10 is: 69,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,523.68 : 124,920.75 = 50,237.10 : x
  2. Step 2: Convert to fraction form
    90,523.68/124,920.75 = 50,237.10/x
  3. Step 3: Cross multiply
    90,523.68x = 124,920.75 × 50,237.10
  4. Step 4: Simplify right side
    90,523.68x = 6,275,656,209.83
  5. Step 5: Solve for x
    x = 6,275,656,209.83/90,523.68
  6. Step 6: Final answer
    x = 69,326.13

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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.