Home / 91,919.91-126,844.61-51,635.37

Finding the Fourth Proportional to 91,919.91, 126,844.61 and 51,635.37

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Solution

The fourth proportional to 91,919.91, 126,844.61 and 51,635.37 is: 71,254.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,919.91 : 126,844.61 = 51,635.37 : x
  2. Step 2: Convert to fraction form
    91,919.91/126,844.61 = 51,635.37/x
  3. Step 3: Cross multiply
    91,919.91x = 126,844.61 × 51,635.37
  4. Step 4: Simplify right side
    91,919.91x = 6,549,668,111.68
  5. Step 5: Solve for x
    x = 6,549,668,111.68/91,919.91
  6. Step 6: Final answer
    x = 71,254.07

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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.