Home / 70,564.44-97,378.50-38,732.64

Finding the Fourth Proportional to 70,564.44, 97,378.50 and 38,732.64

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Solution

The fourth proportional to 70,564.44, 97,378.50 and 38,732.64 is: 53,450.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,564.44 : 97,378.50 = 38,732.64 : x
  2. Step 2: Convert to fraction form
    70,564.44/97,378.50 = 38,732.64/x
  3. Step 3: Cross multiply
    70,564.44x = 97,378.50 × 38,732.64
  4. Step 4: Simplify right side
    70,564.44x = 3,771,726,384.24
  5. Step 5: Solve for x
    x = 3,771,726,384.24/70,564.44
  6. Step 6: Final answer
    x = 53,450.81

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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.