Home / 91,906.16-126,823.44-51,607.04

Finding the Fourth Proportional to 91,906.16, 126,823.44 and 51,607.04

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Solution

The fourth proportional to 91,906.16, 126,823.44 and 51,607.04 is: 71,213.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,906.16 : 126,823.44 = 51,607.04 : x
  2. Step 2: Convert to fraction form
    91,906.16/126,823.44 = 51,607.04/x
  3. Step 3: Cross multiply
    91,906.16x = 126,823.44 × 51,607.04
  4. Step 4: Simplify right side
    91,906.16x = 6,544,982,341.02
  5. Step 5: Solve for x
    x = 6,544,982,341.02/91,906.16
  6. Step 6: Final answer
    x = 71,213.75

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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.