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Finding the Fourth Proportional to 73,904.28, 101,988 and 40,370.28

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Solution

The fourth proportional to 73,904.28, 101,988 and 40,370.28 is: 55,711.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,904.28 : 101,988 = 40,370.28 : x
  2. Step 2: Convert to fraction form
    73,904.28/101,988 = 40,370.28/x
  3. Step 3: Cross multiply
    73,904.28x = 101,988 × 40,370.28
  4. Step 4: Simplify right side
    73,904.28x = 4,117,284,116.64
  5. Step 5: Solve for x
    x = 4,117,284,116.64/73,904.28
  6. Step 6: Final answer
    x = 55,711.04

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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.