Home / 87,762.48-121,094.32-51,934.56

Finding the Fourth Proportional to 87,762.48, 121,094.32 and 51,934.56

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Solution

The fourth proportional to 87,762.48, 121,094.32 and 51,934.56 is: 71,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,762.48 : 121,094.32 = 51,934.56 : x
  2. Step 2: Convert to fraction form
    87,762.48/121,094.32 = 51,934.56/x
  3. Step 3: Cross multiply
    87,762.48x = 121,094.32 × 51,934.56
  4. Step 4: Simplify right side
    87,762.48x = 6,288,980,227.70
  5. Step 5: Solve for x
    x = 6,288,980,227.70/87,762.48
  6. Step 6: Final answer
    x = 71,659.10

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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.