Home / 87,762.46-121,094.30-51,934.54

Finding the Fourth Proportional to 87,762.46, 121,094.30 and 51,934.54

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Solution

The fourth proportional to 87,762.46, 121,094.30 and 51,934.54 is: 71,659.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,762.46 : 121,094.30 = 51,934.54 : x
  2. Step 2: Convert to fraction form
    87,762.46/121,094.30 = 51,934.54/x
  3. Step 3: Cross multiply
    87,762.46x = 121,094.30 × 51,934.54
  4. Step 4: Simplify right side
    87,762.46x = 6,288,976,767.12
  5. Step 5: Solve for x
    x = 6,288,976,767.12/87,762.46
  6. Step 6: Final answer
    x = 71,659.08

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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.