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Finding the Fourth Proportional to 71,114.52, 98,133.97 and 42,466.51

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Solution

The fourth proportional to 71,114.52, 98,133.97 and 42,466.51 is: 58,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,114.52 : 98,133.97 = 42,466.51 : x
  2. Step 2: Convert to fraction form
    71,114.52/98,133.97 = 42,466.51/x
  3. Step 3: Cross multiply
    71,114.52x = 98,133.97 × 42,466.51
  4. Step 4: Simplify right side
    71,114.52x = 4,167,407,218.34
  5. Step 5: Solve for x
    x = 4,167,407,218.34/71,114.52
  6. Step 6: Final answer
    x = 58,601.35

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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.