Home / 69,965.36-104,962.68-38,735.12

Finding the Fourth Proportional to 69,965.36, 104,962.68 and 38,735.12

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Solution

The fourth proportional to 69,965.36, 104,962.68 and 38,735.12 is: 58,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,965.36 : 104,962.68 = 38,735.12 : x
  2. Step 2: Convert to fraction form
    69,965.36/104,962.68 = 38,735.12/x
  3. Step 3: Cross multiply
    69,965.36x = 104,962.68 × 38,735.12
  4. Step 4: Simplify right side
    69,965.36x = 4,065,742,005.32
  5. Step 5: Solve for x
    x = 4,065,742,005.32/69,965.36
  6. Step 6: Final answer
    x = 58,110.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.