Home / 70,409.97-97,177.29-40,196.55

Finding the Fourth Proportional to 70,409.97, 97,177.29 and 40,196.55

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Solution

The fourth proportional to 70,409.97, 97,177.29 and 40,196.55 is: 55,477.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,409.97 : 97,177.29 = 40,196.55 : x
  2. Step 2: Convert to fraction form
    70,409.97/97,177.29 = 40,196.55/x
  3. Step 3: Cross multiply
    70,409.97x = 97,177.29 × 40,196.55
  4. Step 4: Simplify right side
    70,409.97x = 3,906,191,796.35
  5. Step 5: Solve for x
    x = 3,906,191,796.35/70,409.97
  6. Step 6: Final answer
    x = 55,477.82

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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.