Home / 54,453.47-75,142.08-30,582.36

Finding the Fourth Proportional to 54,453.47, 75,142.08 and 30,582.36

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Solution

The fourth proportional to 54,453.47, 75,142.08 and 30,582.36 is: 42,201.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,453.47 : 75,142.08 = 30,582.36 : x
  2. Step 2: Convert to fraction form
    54,453.47/75,142.08 = 30,582.36/x
  3. Step 3: Cross multiply
    54,453.47x = 75,142.08 × 30,582.36
  4. Step 4: Simplify right side
    54,453.47x = 2,298,022,141.71
  5. Step 5: Solve for x
    x = 2,298,022,141.71/54,453.47
  6. Step 6: Final answer
    x = 42,201.58

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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.