Home / 69,774.80-96,286.28-39,562.16

Finding the Fourth Proportional to 69,774.80, 96,286.28 and 39,562.16

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Solution

The fourth proportional to 69,774.80, 96,286.28 and 39,562.16 is: 54,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,774.80 : 96,286.28 = 39,562.16 : x
  2. Step 2: Convert to fraction form
    69,774.80/96,286.28 = 39,562.16/x
  3. Step 3: Cross multiply
    69,774.80x = 96,286.28 × 39,562.16
  4. Step 4: Simplify right side
    69,774.80x = 3,809,293,215.16
  5. Step 5: Solve for x
    x = 3,809,293,215.16/69,774.80
  6. Step 6: Final answer
    x = 54,594.11

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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.