Home / 91,286.12-125,977.41-51,004.32

Finding the Fourth Proportional to 91,286.12, 125,977.41 and 51,004.32

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Solution

The fourth proportional to 91,286.12, 125,977.41 and 51,004.32 is: 70,387.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,286.12 : 125,977.41 = 51,004.32 : x
  2. Step 2: Convert to fraction form
    91,286.12/125,977.41 = 51,004.32/x
  3. Step 3: Cross multiply
    91,286.12x = 125,977.41 × 51,004.32
  4. Step 4: Simplify right side
    91,286.12x = 6,425,392,132.41
  5. Step 5: Solve for x
    x = 6,425,392,132.41/91,286.12
  6. Step 6: Final answer
    x = 70,387.39

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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.