Home / 88,828.42-122,525.88-52,990.78

Finding the Fourth Proportional to 88,828.42, 122,525.88 and 52,990.78

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Solution

The fourth proportional to 88,828.42, 122,525.88 and 52,990.78 is: 73,093.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,828.42 : 122,525.88 = 52,990.78 : x
  2. Step 2: Convert to fraction form
    88,828.42/122,525.88 = 52,990.78/x
  3. Step 3: Cross multiply
    88,828.42x = 122,525.88 × 52,990.78
  4. Step 4: Simplify right side
    88,828.42x = 6,492,741,951.39
  5. Step 5: Solve for x
    x = 6,492,741,951.39/88,828.42
  6. Step 6: Final answer
    x = 73,093.07

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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.