Home / 91,132.83-125,762.90-50,844.20

Finding the Fourth Proportional to 91,132.83, 125,762.90 and 50,844.20

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Solution

The fourth proportional to 91,132.83, 125,762.90 and 50,844.20 is: 70,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,132.83 : 125,762.90 = 50,844.20 : x
  2. Step 2: Convert to fraction form
    91,132.83/125,762.90 = 50,844.20/x
  3. Step 3: Cross multiply
    91,132.83x = 125,762.90 × 50,844.20
  4. Step 4: Simplify right side
    91,132.83x = 6,394,313,157.14
  5. Step 5: Solve for x
    x = 6,394,313,157.14/91,132.83
  6. Step 6: Final answer
    x = 70,164.76

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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.