Home / 95,631.60-131,881.02-61,187.22

Finding the Fourth Proportional to 95,631.60, 131,881.02 and 61,187.22

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Solution

The fourth proportional to 95,631.60, 131,881.02 and 61,187.22 is: 84,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,631.60 : 131,881.02 = 61,187.22 : x
  2. Step 2: Convert to fraction form
    95,631.60/131,881.02 = 61,187.22/x
  3. Step 3: Cross multiply
    95,631.60x = 131,881.02 × 61,187.22
  4. Step 4: Simplify right side
    95,631.60x = 8,069,432,984.56
  5. Step 5: Solve for x
    x = 8,069,432,984.56/95,631.60
  6. Step 6: Final answer
    x = 84,380.40

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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.