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Finding the Fourth Proportional to 70,791.03, 97,710.81 and 41,744.76

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Solution

The fourth proportional to 70,791.03, 97,710.81 and 41,744.76 is: 57,619.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,791.03 : 97,710.81 = 41,744.76 : x
  2. Step 2: Convert to fraction form
    70,791.03/97,710.81 = 41,744.76/x
  3. Step 3: Cross multiply
    70,791.03x = 97,710.81 × 41,744.76
  4. Step 4: Simplify right side
    70,791.03x = 4,078,914,312.86
  5. Step 5: Solve for x
    x = 4,078,914,312.86/70,791.03
  6. Step 6: Final answer
    x = 57,619.08

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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.