Home / 90,836.55-125,353.56-50,549.64

Finding the Fourth Proportional to 90,836.55, 125,353.56 and 50,549.64

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Solution

The fourth proportional to 90,836.55, 125,353.56 and 50,549.64 is: 69,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,836.55 : 125,353.56 = 50,549.64 : x
  2. Step 2: Convert to fraction form
    90,836.55/125,353.56 = 50,549.64/x
  3. Step 3: Cross multiply
    90,836.55x = 125,353.56 × 50,549.64
  4. Step 4: Simplify right side
    90,836.55x = 6,336,577,330.72
  5. Step 5: Solve for x
    x = 6,336,577,330.72/90,836.55
  6. Step 6: Final answer
    x = 69,758.01

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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.