Home / 70,660.23-97,509.92-38,829.09

Finding the Fourth Proportional to 70,660.23, 97,509.92 and 38,829.09

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Solution

The fourth proportional to 70,660.23, 97,509.92 and 38,829.09 is: 53,583.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,660.23 : 97,509.92 = 38,829.09 : x
  2. Step 2: Convert to fraction form
    70,660.23/97,509.92 = 38,829.09/x
  3. Step 3: Cross multiply
    70,660.23x = 97,509.92 × 38,829.09
  4. Step 4: Simplify right side
    70,660.23x = 3,786,221,265.43
  5. Step 5: Solve for x
    x = 3,786,221,265.43/70,660.23
  6. Step 6: Final answer
    x = 53,583.48

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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.