Home / 74,055.29-102,195.81-40,063.64

Finding the Fourth Proportional to 74,055.29, 102,195.81 and 40,063.64

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Solution

The fourth proportional to 74,055.29, 102,195.81 and 40,063.64 is: 55,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,055.29 : 102,195.81 = 40,063.64 : x
  2. Step 2: Convert to fraction form
    74,055.29/102,195.81 = 40,063.64/x
  3. Step 3: Cross multiply
    74,055.29x = 102,195.81 × 40,063.64
  4. Step 4: Simplify right side
    74,055.29x = 4,094,336,141.35
  5. Step 5: Solve for x
    x = 4,094,336,141.35/74,055.29
  6. Step 6: Final answer
    x = 55,287.56

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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.