Home / 87,844.67-121,225.60-47,558.40

Finding the Fourth Proportional to 87,844.67, 121,225.60 and 47,558.40

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Solution

The fourth proportional to 87,844.67, 121,225.60 and 47,558.40 is: 65,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,844.67 : 121,225.60 = 47,558.40 : x
  2. Step 2: Convert to fraction form
    87,844.67/121,225.60 = 47,558.40/x
  3. Step 3: Cross multiply
    87,844.67x = 121,225.60 × 47,558.40
  4. Step 4: Simplify right side
    87,844.67x = 5,765,295,337.25
  5. Step 5: Solve for x
    x = 5,765,295,337.25/87,844.67
  6. Step 6: Final answer
    x = 65,630.57

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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.