Home / 54,722.28-75,507.06-30,848.95

Finding the Fourth Proportional to 54,722.28, 75,507.06 and 30,848.95

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Solution

The fourth proportional to 54,722.28, 75,507.06 and 30,848.95 is: 42,566.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,722.28 : 75,507.06 = 30,848.95 : x
  2. Step 2: Convert to fraction form
    54,722.28/75,507.06 = 30,848.95/x
  3. Step 3: Cross multiply
    54,722.28x = 75,507.06 × 30,848.95
  4. Step 4: Simplify right side
    54,722.28x = 2,329,313,518.59
  5. Step 5: Solve for x
    x = 2,329,313,518.59/54,722.28
  6. Step 6: Final answer
    x = 42,566.09

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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.