Home / 74,361.50-102,621.06-40,829.66

Finding the Fourth Proportional to 74,361.50, 102,621.06 and 40,829.66

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Solution

The fourth proportional to 74,361.50, 102,621.06 and 40,829.66 is: 56,346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,361.50 : 102,621.06 = 40,829.66 : x
  2. Step 2: Convert to fraction form
    74,361.50/102,621.06 = 40,829.66/x
  3. Step 3: Cross multiply
    74,361.50x = 102,621.06 × 40,829.66
  4. Step 4: Simplify right side
    74,361.50x = 4,189,982,988.64
  5. Step 5: Solve for x
    x = 4,189,982,988.64/74,361.50
  6. Step 6: Final answer
    x = 56,346.13

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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.