Home / 95,076.90-131,066.32-72,376.32

Finding the Fourth Proportional to 95,076.90, 131,066.32 and 72,376.32

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Solution

The fourth proportional to 95,076.90, 131,066.32 and 72,376.32 is: 99,772.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,076.90 : 131,066.32 = 72,376.32 : x
  2. Step 2: Convert to fraction form
    95,076.90/131,066.32 = 72,376.32/x
  3. Step 3: Cross multiply
    95,076.90x = 131,066.32 × 72,376.32
  4. Step 4: Simplify right side
    95,076.90x = 9,486,096,900.33
  5. Step 5: Solve for x
    x = 9,486,096,900.33/95,076.90
  6. Step 6: Final answer
    x = 99,772.89

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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.