Home / 70,534.53-97,338.38-38,704.64

Finding the Fourth Proportional to 70,534.53, 97,338.38 and 38,704.64

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Solution

The fourth proportional to 70,534.53, 97,338.38 and 38,704.64 is: 53,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,534.53 : 97,338.38 = 38,704.64 : x
  2. Step 2: Convert to fraction form
    70,534.53/97,338.38 = 38,704.64/x
  3. Step 3: Cross multiply
    70,534.53x = 97,338.38 × 38,704.64
  4. Step 4: Simplify right side
    70,534.53x = 3,767,446,275.87
  5. Step 5: Solve for x
    x = 3,767,446,275.87/70,534.53
  6. Step 6: Final answer
    x = 53,412.79

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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.