Home / 88,811.10-122,555.79-50,575.86

Finding the Fourth Proportional to 88,811.10, 122,555.79 and 50,575.86

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Solution

The fourth proportional to 88,811.10, 122,555.79 and 50,575.86 is: 69,792.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,811.10 : 122,555.79 = 50,575.86 : x
  2. Step 2: Convert to fraction form
    88,811.10/122,555.79 = 50,575.86/x
  3. Step 3: Cross multiply
    88,811.10x = 122,555.79 × 50,575.86
  4. Step 4: Simplify right side
    88,811.10x = 6,198,364,477.23
  5. Step 5: Solve for x
    x = 6,198,364,477.23/88,811.10
  6. Step 6: Final answer
    x = 69,792.68

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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.