Home / 56,519.93-77,993.22-31,022.25

Finding the Fourth Proportional to 56,519.93, 77,993.22 and 31,022.25

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Solution

The fourth proportional to 56,519.93, 77,993.22 and 31,022.25 is: 42,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,519.93 : 77,993.22 = 31,022.25 : x
  2. Step 2: Convert to fraction form
    56,519.93/77,993.22 = 31,022.25/x
  3. Step 3: Cross multiply
    56,519.93x = 77,993.22 × 31,022.25
  4. Step 4: Simplify right side
    56,519.93x = 2,419,525,169.15
  5. Step 5: Solve for x
    x = 2,419,525,169.15/56,519.93
  6. Step 6: Final answer
    x = 42,808.35

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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.