Home / 91,287.76-125,972.62-50,993.52

Finding the Fourth Proportional to 91,287.76, 125,972.62 and 50,993.52

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Solution

The fourth proportional to 91,287.76, 125,972.62 and 50,993.52 is: 70,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,287.76 : 125,972.62 = 50,993.52 : x
  2. Step 2: Convert to fraction form
    91,287.76/125,972.62 = 50,993.52/x
  3. Step 3: Cross multiply
    91,287.76x = 125,972.62 × 50,993.52
  4. Step 4: Simplify right side
    91,287.76x = 6,423,787,317.42
  5. Step 5: Solve for x
    x = 6,423,787,317.42/91,287.76
  6. Step 6: Final answer
    x = 70,368.55

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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.