Home / 55,974.30-77,244.41-30,480.27

Finding the Fourth Proportional to 55,974.30, 77,244.41 and 30,480.27

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Solution

The fourth proportional to 55,974.30, 77,244.41 and 30,480.27 is: 42,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,974.30 : 77,244.41 = 30,480.27 : x
  2. Step 2: Convert to fraction form
    55,974.30/77,244.41 = 30,480.27/x
  3. Step 3: Cross multiply
    55,974.30x = 77,244.41 × 30,480.27
  4. Step 4: Simplify right side
    55,974.30x = 2,354,430,320.39
  5. Step 5: Solve for x
    x = 2,354,430,320.39/55,974.30
  6. Step 6: Final answer
    x = 42,062.70

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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.