Home / 54,441.78-75,127.71-30,569.46

Finding the Fourth Proportional to 54,441.78, 75,127.71 and 30,569.46

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Solution

The fourth proportional to 54,441.78, 75,127.71 and 30,569.46 is: 42,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,441.78 : 75,127.71 = 30,569.46 : x
  2. Step 2: Convert to fraction form
    54,441.78/75,127.71 = 30,569.46/x
  3. Step 3: Cross multiply
    54,441.78x = 75,127.71 × 30,569.46
  4. Step 4: Simplify right side
    54,441.78x = 2,296,613,640.37
  5. Step 5: Solve for x
    x = 2,296,613,640.37/54,441.78
  6. Step 6: Final answer
    x = 42,184.76

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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.