Home / 90,540.93-124,945.26-50,254.59

Finding the Fourth Proportional to 90,540.93, 124,945.26 and 50,254.59

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Solution

The fourth proportional to 90,540.93, 124,945.26 and 50,254.59 is: 69,350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,540.93 : 124,945.26 = 50,254.59 : x
  2. Step 2: Convert to fraction form
    90,540.93/124,945.26 = 50,254.59/x
  3. Step 3: Cross multiply
    90,540.93x = 124,945.26 × 50,254.59
  4. Step 4: Simplify right side
    90,540.93x = 6,279,072,813.74
  5. Step 5: Solve for x
    x = 6,279,072,813.74/90,540.93
  6. Step 6: Final answer
    x = 69,350.66

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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.