Home / 66,044.91-91,177.34-50,904.39

Finding the Fourth Proportional to 66,044.91, 91,177.34 and 50,904.39

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Solution

The fourth proportional to 66,044.91, 91,177.34 and 50,904.39 is: 70,275.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,044.91 : 91,177.34 = 50,904.39 : x
  2. Step 2: Convert to fraction form
    66,044.91/91,177.34 = 50,904.39/x
  3. Step 3: Cross multiply
    66,044.91x = 91,177.34 × 50,904.39
  4. Step 4: Simplify right side
    66,044.91x = 4,641,326,620.00
  5. Step 5: Solve for x
    x = 4,641,326,620.00/66,044.91
  6. Step 6: Final answer
    x = 70,275.31

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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.