Home / 70,748.25-97,646.46-40,553.79

Finding the Fourth Proportional to 70,748.25, 97,646.46 and 40,553.79

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Solution

The fourth proportional to 70,748.25, 97,646.46 and 40,553.79 is: 55,972.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,748.25 : 97,646.46 = 40,553.79 : x
  2. Step 2: Convert to fraction form
    70,748.25/97,646.46 = 40,553.79/x
  3. Step 3: Cross multiply
    70,748.25x = 97,646.46 × 40,553.79
  4. Step 4: Simplify right side
    70,748.25x = 3,959,934,033.08
  5. Step 5: Solve for x
    x = 3,959,934,033.08/70,748.25
  6. Step 6: Final answer
    x = 55,972.18

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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.