Home / 73,684.36-101,685.18-40,150.36

Finding the Fourth Proportional to 73,684.36, 101,685.18 and 40,150.36

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Solution

The fourth proportional to 73,684.36, 101,685.18 and 40,150.36 is: 55,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,684.36 : 101,685.18 = 40,150.36 : x
  2. Step 2: Convert to fraction form
    73,684.36/101,685.18 = 40,150.36/x
  3. Step 3: Cross multiply
    73,684.36x = 101,685.18 × 40,150.36
  4. Step 4: Simplify right side
    73,684.36x = 4,082,696,583.66
  5. Step 5: Solve for x
    x = 4,082,696,583.66/73,684.36
  6. Step 6: Final answer
    x = 55,407.91

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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.