Home / 90,734.12-125,213.70-54,924.44

Finding the Fourth Proportional to 90,734.12, 125,213.70 and 54,924.44

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Solution

The fourth proportional to 90,734.12, 125,213.70 and 54,924.44 is: 75,796.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,734.12 : 125,213.70 = 54,924.44 : x
  2. Step 2: Convert to fraction form
    90,734.12/125,213.70 = 54,924.44/x
  3. Step 3: Cross multiply
    90,734.12x = 125,213.70 × 54,924.44
  4. Step 4: Simplify right side
    90,734.12x = 6,877,292,352.83
  5. Step 5: Solve for x
    x = 6,877,292,352.83/90,734.12
  6. Step 6: Final answer
    x = 75,796.10

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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.