Home / 87,994.48-121,431.36-47,708.32

Finding the Fourth Proportional to 87,994.48, 121,431.36 and 47,708.32

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Solution

The fourth proportional to 87,994.48, 121,431.36 and 47,708.32 is: 65,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,994.48 : 121,431.36 = 47,708.32 : x
  2. Step 2: Convert to fraction form
    87,994.48/121,431.36 = 47,708.32/x
  3. Step 3: Cross multiply
    87,994.48x = 121,431.36 × 47,708.32
  4. Step 4: Simplify right side
    87,994.48x = 5,793,286,180.92
  5. Step 5: Solve for x
    x = 5,793,286,180.92/87,994.48
  6. Step 6: Final answer
    x = 65,836.93

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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.