Home / 90,801.11-125,307.21-50,518.62

Finding the Fourth Proportional to 90,801.11, 125,307.21 and 50,518.62

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Solution

The fourth proportional to 90,801.11, 125,307.21 and 50,518.62 is: 69,716.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,801.11 : 125,307.21 = 50,518.62 : x
  2. Step 2: Convert to fraction form
    90,801.11/125,307.21 = 50,518.62/x
  3. Step 3: Cross multiply
    90,801.11x = 125,307.21 × 50,518.62
  4. Step 4: Simplify right side
    90,801.11x = 6,330,347,294.91
  5. Step 5: Solve for x
    x = 6,330,347,294.91/90,801.11
  6. Step 6: Final answer
    x = 69,716.63

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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.