Home / 91,103.84-125,723.45-50,267.02

Finding the Fourth Proportional to 91,103.84, 125,723.45 and 50,267.02

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Solution

The fourth proportional to 91,103.84, 125,723.45 and 50,267.02 is: 69,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,103.84 : 125,723.45 = 50,267.02 : x
  2. Step 2: Convert to fraction form
    91,103.84/125,723.45 = 50,267.02/x
  3. Step 3: Cross multiply
    91,103.84x = 125,723.45 × 50,267.02
  4. Step 4: Simplify right side
    91,103.84x = 6,319,743,175.62
  5. Step 5: Solve for x
    x = 6,319,743,175.62/91,103.84
  6. Step 6: Final answer
    x = 69,368.57

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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.