Home / 91,277.76-125,961.92-50,992.10

Finding the Fourth Proportional to 91,277.76, 125,961.92 and 50,992.10

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Solution

The fourth proportional to 91,277.76, 125,961.92 and 50,992.10 is: 70,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,277.76 : 125,961.92 = 50,992.10 : x
  2. Step 2: Convert to fraction form
    91,277.76/125,961.92 = 50,992.10/x
  3. Step 3: Cross multiply
    91,277.76x = 125,961.92 × 50,992.10
  4. Step 4: Simplify right side
    91,277.76x = 6,423,062,820.83
  5. Step 5: Solve for x
    x = 6,423,062,820.83/91,277.76
  6. Step 6: Final answer
    x = 70,368.32

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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.