Home / 90,845.64-125,365.02-50,559.24

Finding the Fourth Proportional to 90,845.64, 125,365.02 and 50,559.24

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Solution

The fourth proportional to 90,845.64, 125,365.02 and 50,559.24 is: 69,770.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,845.64 : 125,365.02 = 50,559.24 : x
  2. Step 2: Convert to fraction form
    90,845.64/125,365.02 = 50,559.24/x
  3. Step 3: Cross multiply
    90,845.64x = 125,365.02 × 50,559.24
  4. Step 4: Simplify right side
    90,845.64x = 6,338,360,133.78
  5. Step 5: Solve for x
    x = 6,338,360,133.78/90,845.64
  6. Step 6: Final answer
    x = 69,770.66

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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.