Home / 88,132.48-121,617.88-51,349.87

Finding the Fourth Proportional to 88,132.48, 121,617.88 and 51,349.87

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Solution

The fourth proportional to 88,132.48, 121,617.88 and 51,349.87 is: 70,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,132.48 : 121,617.88 = 51,349.87 : x
  2. Step 2: Convert to fraction form
    88,132.48/121,617.88 = 51,349.87/x
  3. Step 3: Cross multiply
    88,132.48x = 121,617.88 × 51,349.87
  4. Step 4: Simplify right side
    88,132.48x = 6,245,062,327.68
  5. Step 5: Solve for x
    x = 6,245,062,327.68/88,132.48
  6. Step 6: Final answer
    x = 70,859.94

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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.