Home / 56,253.68-77,629.56-31,103.36

Finding the Fourth Proportional to 56,253.68, 77,629.56 and 31,103.36

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Solution

The fourth proportional to 56,253.68, 77,629.56 and 31,103.36 is: 42,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,253.68 : 77,629.56 = 31,103.36 : x
  2. Step 2: Convert to fraction form
    56,253.68/77,629.56 = 31,103.36/x
  3. Step 3: Cross multiply
    56,253.68x = 77,629.56 × 31,103.36
  4. Step 4: Simplify right side
    56,253.68x = 2,414,540,151.32
  5. Step 5: Solve for x
    x = 2,414,540,151.32/56,253.68
  6. Step 6: Final answer
    x = 42,922.35

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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.