Home / 74,568.76-102,902.82-40,576.46

Finding the Fourth Proportional to 74,568.76, 102,902.82 and 40,576.46

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Solution

The fourth proportional to 74,568.76, 102,902.82 and 40,576.46 is: 55,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,568.76 : 102,902.82 = 40,576.46 : x
  2. Step 2: Convert to fraction form
    74,568.76/102,902.82 = 40,576.46/x
  3. Step 3: Cross multiply
    74,568.76x = 102,902.82 × 40,576.46
  4. Step 4: Simplify right side
    74,568.76x = 4,175,431,492.94
  5. Step 5: Solve for x
    x = 4,175,431,492.94/74,568.76
  6. Step 6: Final answer
    x = 55,994.38

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1.5x scale

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.