Home / 87,871.02-121,262.12-47,584.85

Finding the Fourth Proportional to 87,871.02, 121,262.12 and 47,584.85

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Solution

The fourth proportional to 87,871.02, 121,262.12 and 47,584.85 is: 65,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,871.02 : 121,262.12 = 47,584.85 : x
  2. Step 2: Convert to fraction form
    87,871.02/121,262.12 = 47,584.85/x
  3. Step 3: Cross multiply
    87,871.02x = 121,262.12 × 47,584.85
  4. Step 4: Simplify right side
    87,871.02x = 5,770,239,303.53
  5. Step 5: Solve for x
    x = 5,770,239,303.53/87,871.02
  6. Step 6: Final answer
    x = 65,667.15

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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.