Home / 87,741.58-121,083.41-49,509.23

Finding the Fourth Proportional to 87,741.58, 121,083.41 and 49,509.23

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Solution

The fourth proportional to 87,741.58, 121,083.41 and 49,509.23 is: 68,322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,741.58 : 121,083.41 = 49,509.23 : x
  2. Step 2: Convert to fraction form
    87,741.58/121,083.41 = 49,509.23/x
  3. Step 3: Cross multiply
    87,741.58x = 121,083.41 × 49,509.23
  4. Step 4: Simplify right side
    87,741.58x = 5,994,746,656.38
  5. Step 5: Solve for x
    x = 5,994,746,656.38/87,741.58
  6. Step 6: Final answer
    x = 68,322.76

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1.5x scale

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.