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Finding the Fourth Proportional to 71,637.82, 98,791.04 and 47,427.73

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Solution

The fourth proportional to 71,637.82, 98,791.04 and 47,427.73 is: 65,404.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,637.82 : 98,791.04 = 47,427.73 : x
  2. Step 2: Convert to fraction form
    71,637.82/98,791.04 = 47,427.73/x
  3. Step 3: Cross multiply
    71,637.82x = 98,791.04 × 47,427.73
  4. Step 4: Simplify right side
    71,637.82x = 4,685,434,643.13
  5. Step 5: Solve for x
    x = 4,685,434,643.13/71,637.82
  6. Step 6: Final answer
    x = 65,404.49

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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.