Home / 90,608.55-125,042.72-50,322.80

Finding the Fourth Proportional to 90,608.55, 125,042.72 and 50,322.80

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Solution

The fourth proportional to 90,608.55, 125,042.72 and 50,322.80 is: 69,447.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,608.55 : 125,042.72 = 50,322.80 : x
  2. Step 2: Convert to fraction form
    90,608.55/125,042.72 = 50,322.80/x
  3. Step 3: Cross multiply
    90,608.55x = 125,042.72 × 50,322.80
  4. Step 4: Simplify right side
    90,608.55x = 6,292,498,913.19
  5. Step 5: Solve for x
    x = 6,292,498,913.19/90,608.55
  6. Step 6: Final answer
    x = 69,447.08

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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.