Home / 88,317.88-121,884-50,079.04

Finding the Fourth Proportional to 88,317.88, 121,884 and 50,079.04

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Solution

The fourth proportional to 88,317.88, 121,884 and 50,079.04 is: 69,112.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,317.88 : 121,884 = 50,079.04 : x
  2. Step 2: Convert to fraction form
    88,317.88/121,884 = 50,079.04/x
  3. Step 3: Cross multiply
    88,317.88x = 121,884 × 50,079.04
  4. Step 4: Simplify right side
    88,317.88x = 6,103,833,711.36
  5. Step 5: Solve for x
    x = 6,103,833,711.36/88,317.88
  6. Step 6: Final answer
    x = 69,112.09

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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.