Home / 91,441.89-126,186.87-51,154.79

Finding the Fourth Proportional to 91,441.89, 126,186.87 and 51,154.79

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Solution

The fourth proportional to 91,441.89, 126,186.87 and 51,154.79 is: 70,591.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,441.89 : 126,186.87 = 51,154.79 : x
  2. Step 2: Convert to fraction form
    91,441.89/126,186.87 = 51,154.79/x
  3. Step 3: Cross multiply
    91,441.89x = 126,186.87 × 51,154.79
  4. Step 4: Simplify right side
    91,441.89x = 6,455,062,204.67
  5. Step 5: Solve for x
    x = 6,455,062,204.67/91,441.89
  6. Step 6: Final answer
    x = 70,591.96

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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.