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Finding the Fourth Proportional to 74,592, 102,937.77 and 41,058

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Solution

The fourth proportional to 74,592, 102,937.77 and 41,058 is: 56,660.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,592 : 102,937.77 = 41,058 : x
  2. Step 2: Convert to fraction form
    74,592/102,937.77 = 41,058/x
  3. Step 3: Cross multiply
    74,592x = 102,937.77 × 41,058
  4. Step 4: Simplify right side
    74,592x = 4,226,418,960.66
  5. Step 5: Solve for x
    x = 4,226,418,960.66/74,592
  6. Step 6: Final answer
    x = 56,660.49

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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.