Home / 69,740.39-96,246.20-39,116.36

Finding the Fourth Proportional to 69,740.39, 96,246.20 and 39,116.36

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Solution

The fourth proportional to 69,740.39, 96,246.20 and 39,116.36 is: 53,983.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,740.39 : 96,246.20 = 39,116.36 : x
  2. Step 2: Convert to fraction form
    69,740.39/96,246.20 = 39,116.36/x
  3. Step 3: Cross multiply
    69,740.39x = 96,246.20 × 39,116.36
  4. Step 4: Simplify right side
    69,740.39x = 3,764,800,624.39
  5. Step 5: Solve for x
    x = 3,764,800,624.39/69,740.39
  6. Step 6: Final answer
    x = 53,983.08

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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.