Home / 74,080.16-102,233.20-40,546.40

Finding the Fourth Proportional to 74,080.16, 102,233.20 and 40,546.40

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Solution

The fourth proportional to 74,080.16, 102,233.20 and 40,546.40 is: 55,955.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,080.16 : 102,233.20 = 40,546.40 : x
  2. Step 2: Convert to fraction form
    74,080.16/102,233.20 = 40,546.40/x
  3. Step 3: Cross multiply
    74,080.16x = 102,233.20 × 40,546.40
  4. Step 4: Simplify right side
    74,080.16x = 4,145,188,220.48
  5. Step 5: Solve for x
    x = 4,145,188,220.48/74,080.16
  6. Step 6: Final answer
    x = 55,955.44

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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.