Home / 90,734.42-125,177.52-52,486.88

Finding the Fourth Proportional to 90,734.42, 125,177.52 and 52,486.88

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Solution

The fourth proportional to 90,734.42, 125,177.52 and 52,486.88 is: 72,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,734.42 : 125,177.52 = 52,486.88 : x
  2. Step 2: Convert to fraction form
    90,734.42/125,177.52 = 52,486.88/x
  3. Step 3: Cross multiply
    90,734.42x = 125,177.52 × 52,486.88
  4. Step 4: Simplify right side
    90,734.42x = 6,570,176,845.05
  5. Step 5: Solve for x
    x = 6,570,176,845.05/90,734.42
  6. Step 6: Final answer
    x = 72,411.07

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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.