Home / 56,128.32-83,936.70-41,906.75

Finding the Fourth Proportional to 56,128.32, 83,936.70 and 41,906.75

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Solution

The fourth proportional to 56,128.32, 83,936.70 and 41,906.75 is: 62,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,128.32 : 83,936.70 = 41,906.75 : x
  2. Step 2: Convert to fraction form
    56,128.32/83,936.70 = 41,906.75/x
  3. Step 3: Cross multiply
    56,128.32x = 83,936.70 × 41,906.75
  4. Step 4: Simplify right side
    56,128.32x = 3,517,513,883.04
  5. Step 5: Solve for x
    x = 3,517,513,883.04/56,128.32
  6. Step 6: Final answer
    x = 62,669.15

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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.