Home / 70,917.26-97,865.52-39,086.15

Finding the Fourth Proportional to 70,917.26, 97,865.52 and 39,086.15

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Solution

The fourth proportional to 70,917.26, 97,865.52 and 39,086.15 is: 53,938.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,917.26 : 97,865.52 = 39,086.15 : x
  2. Step 2: Convert to fraction form
    70,917.26/97,865.52 = 39,086.15/x
  3. Step 3: Cross multiply
    70,917.26x = 97,865.52 × 39,086.15
  4. Step 4: Simplify right side
    70,917.26x = 3,825,185,758.65
  5. Step 5: Solve for x
    x = 3,825,185,758.65/70,917.26
  6. Step 6: Final answer
    x = 53,938.72

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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.