Home / 91,917.91-126,841.84-51,633.37

Finding the Fourth Proportional to 91,917.91, 126,841.84 and 51,633.37

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Solution

The fourth proportional to 91,917.91, 126,841.84 and 51,633.37 is: 71,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,917.91 : 126,841.84 = 51,633.37 : x
  2. Step 2: Convert to fraction form
    91,917.91/126,841.84 = 51,633.37/x
  3. Step 3: Cross multiply
    91,917.91x = 126,841.84 × 51,633.37
  4. Step 4: Simplify right side
    91,917.91x = 6,549,271,656.20
  5. Step 5: Solve for x
    x = 6,549,271,656.20/91,917.91
  6. Step 6: Final answer
    x = 71,251.31

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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.