Home / 91,370.72-126,094.37-51,086.18

Finding the Fourth Proportional to 91,370.72, 126,094.37 and 51,086.18

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Solution

The fourth proportional to 91,370.72, 126,094.37 and 51,086.18 is: 70,500.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,370.72 : 126,094.37 = 51,086.18 : x
  2. Step 2: Convert to fraction form
    91,370.72/126,094.37 = 51,086.18/x
  3. Step 3: Cross multiply
    91,370.72x = 126,094.37 × 51,086.18
  4. Step 4: Simplify right side
    91,370.72x = 6,441,678,796.90
  5. Step 5: Solve for x
    x = 6,441,678,796.90/91,370.72
  6. Step 6: Final answer
    x = 70,500.47

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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.