Home / 54,582.47-75,323.64-30,709.14

Finding the Fourth Proportional to 54,582.47, 75,323.64 and 30,709.14

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Solution

The fourth proportional to 54,582.47, 75,323.64 and 30,709.14 is: 42,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,582.47 : 75,323.64 = 30,709.14 : x
  2. Step 2: Convert to fraction form
    54,582.47/75,323.64 = 30,709.14/x
  3. Step 3: Cross multiply
    54,582.47x = 75,323.64 × 30,709.14
  4. Step 4: Simplify right side
    54,582.47x = 2,313,124,206.07
  5. Step 5: Solve for x
    x = 2,313,124,206.07/54,582.47
  6. Step 6: Final answer
    x = 42,378.52

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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.