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Finding the Fourth Proportional to 96,791.58, 133,574.04 and 53,774.97

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Solution

The fourth proportional to 96,791.58, 133,574.04 and 53,774.97 is: 74,210.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,791.58 : 133,574.04 = 53,774.97 : x
  2. Step 2: Convert to fraction form
    96,791.58/133,574.04 = 53,774.97/x
  3. Step 3: Cross multiply
    96,791.58x = 133,574.04 × 53,774.97
  4. Step 4: Simplify right side
    96,791.58x = 7,182,939,993.78
  5. Step 5: Solve for x
    x = 7,182,939,993.78/96,791.58
  6. Step 6: Final answer
    x = 74,210.38

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1.5x scale

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.