Home / 87,584.80-120,867.02-47,298.56

Finding the Fourth Proportional to 87,584.80, 120,867.02 and 47,298.56

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Solution

The fourth proportional to 87,584.80, 120,867.02 and 47,298.56 is: 65,272.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,584.80 : 120,867.02 = 47,298.56 : x
  2. Step 2: Convert to fraction form
    87,584.80/120,867.02 = 47,298.56/x
  3. Step 3: Cross multiply
    87,584.80x = 120,867.02 × 47,298.56
  4. Step 4: Simplify right side
    87,584.80x = 5,716,835,997.49
  5. Step 5: Solve for x
    x = 5,716,835,997.49/87,584.80
  6. Step 6: Final answer
    x = 65,272.01

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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.