Home / 88,238.88-121,774.32-50,518.80

Finding the Fourth Proportional to 88,238.88, 121,774.32 and 50,518.80

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Solution

The fourth proportional to 88,238.88, 121,774.32 and 50,518.80 is: 69,718.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,238.88 : 121,774.32 = 50,518.80 : x
  2. Step 2: Convert to fraction form
    88,238.88/121,774.32 = 50,518.80/x
  3. Step 3: Cross multiply
    88,238.88x = 121,774.32 × 50,518.80
  4. Step 4: Simplify right side
    88,238.88x = 6,151,892,517.22
  5. Step 5: Solve for x
    x = 6,151,892,517.22/88,238.88
  6. Step 6: Final answer
    x = 69,718.62

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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.