Home / 69,853.40-96,395.00-39,636.92

Finding the Fourth Proportional to 69,853.40, 96,395.00 and 39,636.92

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Solution

The fourth proportional to 69,853.40, 96,395.00 and 39,636.92 is: 54,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,853.40 : 96,395.00 = 39,636.92 : x
  2. Step 2: Convert to fraction form
    69,853.40/96,395.00 = 39,636.92/x
  3. Step 3: Cross multiply
    69,853.40x = 96,395.00 × 39,636.92
  4. Step 4: Simplify right side
    69,853.40x = 3,820,800,223.24
  5. Step 5: Solve for x
    x = 3,820,800,223.24/69,853.40
  6. Step 6: Final answer
    x = 54,697.42

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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.