Home / 70,350.78-97,084.08-38,519.68

Finding the Fourth Proportional to 70,350.78, 97,084.08 and 38,519.68

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Solution

The fourth proportional to 70,350.78, 97,084.08 and 38,519.68 is: 53,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,350.78 : 97,084.08 = 38,519.68 : x
  2. Step 2: Convert to fraction form
    70,350.78/97,084.08 = 38,519.68/x
  3. Step 3: Cross multiply
    70,350.78x = 97,084.08 × 38,519.68
  4. Step 4: Simplify right side
    70,350.78x = 3,739,647,694.69
  5. Step 5: Solve for x
    x = 3,739,647,694.69/70,350.78
  6. Step 6: Final answer
    x = 53,157.16

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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.