Home / 91,914.39-126,844.92-51,635.94

Finding the Fourth Proportional to 91,914.39, 126,844.92 and 51,635.94

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Solution

The fourth proportional to 91,914.39, 126,844.92 and 51,635.94 is: 71,259.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,914.39 : 126,844.92 = 51,635.94 : x
  2. Step 2: Convert to fraction form
    91,914.39/126,844.92 = 51,635.94/x
  3. Step 3: Cross multiply
    91,914.39x = 126,844.92 × 51,635.94
  4. Step 4: Simplify right side
    91,914.39x = 6,549,756,678.42
  5. Step 5: Solve for x
    x = 6,549,756,678.42/91,914.39
  6. Step 6: Final answer
    x = 71,259.32

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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.