Home / 78,626.17-117,939.66-22,472.92

Finding the Fourth Proportional to 78,626.17, 117,939.66 and 22,472.92

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Solution

The fourth proportional to 78,626.17, 117,939.66 and 22,472.92 is: 33,709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,626.17 : 117,939.66 = 22,472.92 : x
  2. Step 2: Convert to fraction form
    78,626.17/117,939.66 = 22,472.92/x
  3. Step 3: Cross multiply
    78,626.17x = 117,939.66 × 22,472.92
  4. Step 4: Simplify right side
    78,626.17x = 2,650,448,544.01
  5. Step 5: Solve for x
    x = 2,650,448,544.01/78,626.17
  6. Step 6: Final answer
    x = 33,709.50

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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.