Home / 95,076.45-131,214.47-56,836.13

Finding the Fourth Proportional to 95,076.45, 131,214.47 and 56,836.13

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Solution

The fourth proportional to 95,076.45, 131,214.47 and 56,836.13 is: 78,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,076.45 : 131,214.47 = 56,836.13 : x
  2. Step 2: Convert to fraction form
    95,076.45/131,214.47 = 56,836.13/x
  3. Step 3: Cross multiply
    95,076.45x = 131,214.47 × 56,836.13
  4. Step 4: Simplify right side
    95,076.45x = 7,457,721,734.55
  5. Step 5: Solve for x
    x = 7,457,721,734.55/95,076.45
  6. Step 6: Final answer
    x = 78,439.21

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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.