Home / 70,629.54-97,463.97-38,799.78

Finding the Fourth Proportional to 70,629.54, 97,463.97 and 38,799.78

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Solution

The fourth proportional to 70,629.54, 97,463.97 and 38,799.78 is: 53,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,629.54 : 97,463.97 = 38,799.78 : x
  2. Step 2: Convert to fraction form
    70,629.54/97,463.97 = 38,799.78/x
  3. Step 3: Cross multiply
    70,629.54x = 97,463.97 × 38,799.78
  4. Step 4: Simplify right side
    70,629.54x = 3,781,580,593.93
  5. Step 5: Solve for x
    x = 3,781,580,593.93/70,629.54
  6. Step 6: Final answer
    x = 53,541.06

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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.