Home / 73,965.26-102,066.54-42,127.94

Finding the Fourth Proportional to 73,965.26, 102,066.54 and 42,127.94

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Solution

The fourth proportional to 73,965.26, 102,066.54 and 42,127.94 is: 58,133.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,965.26 : 102,066.54 = 42,127.94 : x
  2. Step 2: Convert to fraction form
    73,965.26/102,066.54 = 42,127.94/x
  3. Step 3: Cross multiply
    73,965.26x = 102,066.54 × 42,127.94
  4. Step 4: Simplify right side
    73,965.26x = 4,299,853,073.13
  5. Step 5: Solve for x
    x = 4,299,853,073.13/73,965.26
  6. Step 6: Final answer
    x = 58,133.41

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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.