Home / 56,107.08-77,418.36-31,904.28

Finding the Fourth Proportional to 56,107.08, 77,418.36 and 31,904.28

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Solution

The fourth proportional to 56,107.08, 77,418.36 and 31,904.28 is: 44,022.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,107.08 : 77,418.36 = 31,904.28 : x
  2. Step 2: Convert to fraction form
    56,107.08/77,418.36 = 31,904.28/x
  3. Step 3: Cross multiply
    56,107.08x = 77,418.36 × 31,904.28
  4. Step 4: Simplify right side
    56,107.08x = 2,469,977,034.58
  5. Step 5: Solve for x
    x = 2,469,977,034.58/56,107.08
  6. Step 6: Final answer
    x = 44,022.56

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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.