Home / 88,376-121,938.68-50,126.41

Finding the Fourth Proportional to 88,376, 121,938.68 and 50,126.41

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Solution

The fourth proportional to 88,376, 121,938.68 and 50,126.41 is: 69,162.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,376 : 121,938.68 = 50,126.41 : x
  2. Step 2: Convert to fraction form
    88,376/121,938.68 = 50,126.41/x
  3. Step 3: Cross multiply
    88,376x = 121,938.68 × 50,126.41
  4. Step 4: Simplify right side
    88,376x = 6,112,347,408.21
  5. Step 5: Solve for x
    x = 6,112,347,408.21/88,376
  6. Step 6: Final answer
    x = 69,162.98

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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.