Home / 69,121.04-95,386.44-39,313.04

Finding the Fourth Proportional to 69,121.04, 95,386.44 and 39,313.04

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Solution

The fourth proportional to 69,121.04, 95,386.44 and 39,313.04 is: 54,251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,121.04 : 95,386.44 = 39,313.04 : x
  2. Step 2: Convert to fraction form
    69,121.04/95,386.44 = 39,313.04/x
  3. Step 3: Cross multiply
    69,121.04x = 95,386.44 × 39,313.04
  4. Step 4: Simplify right side
    69,121.04x = 3,749,930,931.18
  5. Step 5: Solve for x
    x = 3,749,930,931.18/69,121.04
  6. Step 6: Final answer
    x = 54,251.66

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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.