Home / 87,854.03-121,238.38-47,567.83

Finding the Fourth Proportional to 87,854.03, 121,238.38 and 47,567.83

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Solution

The fourth proportional to 87,854.03, 121,238.38 and 47,567.83 is: 65,643.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,854.03 : 121,238.38 = 47,567.83 : x
  2. Step 2: Convert to fraction form
    87,854.03/121,238.38 = 47,567.83/x
  3. Step 3: Cross multiply
    87,854.03x = 121,238.38 × 47,567.83
  4. Step 4: Simplify right side
    87,854.03x = 5,767,046,649.32
  5. Step 5: Solve for x
    x = 5,767,046,649.32/87,854.03
  6. Step 6: Final answer
    x = 65,643.51

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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.