Home / 68,973.74-95,172.24-40,685.02

Finding the Fourth Proportional to 68,973.74, 95,172.24 and 40,685.02

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Solution

The fourth proportional to 68,973.74, 95,172.24 and 40,685.02 is: 56,138.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,973.74 : 95,172.24 = 40,685.02 : x
  2. Step 2: Convert to fraction form
    68,973.74/95,172.24 = 40,685.02/x
  3. Step 3: Cross multiply
    68,973.74x = 95,172.24 × 40,685.02
  4. Step 4: Simplify right side
    68,973.74x = 3,872,084,487.84
  5. Step 5: Solve for x
    x = 3,872,084,487.84/68,973.74
  6. Step 6: Final answer
    x = 56,138.53

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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.