Home / 56,512.08-77,943.42-41,399.28

Finding the Fourth Proportional to 56,512.08, 77,943.42 and 41,399.28

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Solution

The fourth proportional to 56,512.08, 77,943.42 and 41,399.28 is: 57,099.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,512.08 : 77,943.42 = 41,399.28 : x
  2. Step 2: Convert to fraction form
    56,512.08/77,943.42 = 41,399.28/x
  3. Step 3: Cross multiply
    56,512.08x = 77,943.42 × 41,399.28
  4. Step 4: Simplify right side
    56,512.08x = 3,226,801,468.74
  5. Step 5: Solve for x
    x = 3,226,801,468.74/56,512.08
  6. Step 6: Final answer
    x = 57,099.32

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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.