Home / 87,854.53-121,239.07-47,568.33

Finding the Fourth Proportional to 87,854.53, 121,239.07 and 47,568.33

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Solution

The fourth proportional to 87,854.53, 121,239.07 and 47,568.33 is: 65,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,854.53 : 121,239.07 = 47,568.33 : x
  2. Step 2: Convert to fraction form
    87,854.53/121,239.07 = 47,568.33/x
  3. Step 3: Cross multiply
    87,854.53x = 121,239.07 × 47,568.33
  4. Step 4: Simplify right side
    87,854.53x = 5,767,140,090.65
  5. Step 5: Solve for x
    x = 5,767,140,090.65/87,854.53
  6. Step 6: Final answer
    x = 65,644.20

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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.