Home / 56,249.04-77,625.24-31,100.16

Finding the Fourth Proportional to 56,249.04, 77,625.24 and 31,100.16

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Solution

The fourth proportional to 56,249.04, 77,625.24 and 31,100.16 is: 42,919.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,249.04 : 77,625.24 = 31,100.16 : x
  2. Step 2: Convert to fraction form
    56,249.04/77,625.24 = 31,100.16/x
  3. Step 3: Cross multiply
    56,249.04x = 77,625.24 × 31,100.16
  4. Step 4: Simplify right side
    56,249.04x = 2,414,157,384.04
  5. Step 5: Solve for x
    x = 2,414,157,384.04/56,249.04
  6. Step 6: Final answer
    x = 42,919.09

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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.