Home / 80,961.36-111,725.52-46,967.28

Finding the Fourth Proportional to 80,961.36, 111,725.52 and 46,967.28

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Solution

The fourth proportional to 80,961.36, 111,725.52 and 46,967.28 is: 64,814.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,961.36 : 111,725.52 = 46,967.28 : x
  2. Step 2: Convert to fraction form
    80,961.36/111,725.52 = 46,967.28/x
  3. Step 3: Cross multiply
    80,961.36x = 111,725.52 × 46,967.28
  4. Step 4: Simplify right side
    80,961.36x = 5,247,443,780.99
  5. Step 5: Solve for x
    x = 5,247,443,780.99/80,961.36
  6. Step 6: Final answer
    x = 64,814.18

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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.