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Finding the Fourth Proportional to 93,988.80, 141,020.12 and 41,361.38

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Solution

The fourth proportional to 93,988.80, 141,020.12 and 41,361.38 is: 62,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,988.80 : 141,020.12 = 41,361.38 : x
  2. Step 2: Convert to fraction form
    93,988.80/141,020.12 = 41,361.38/x
  3. Step 3: Cross multiply
    93,988.80x = 141,020.12 × 41,361.38
  4. Step 4: Simplify right side
    93,988.80x = 5,832,785,859.06
  5. Step 5: Solve for x
    x = 5,832,785,859.06/93,988.80
  6. Step 6: Final answer
    x = 62,058.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.