Home / 54,423.63-75,104.69-30,558.06

Finding the Fourth Proportional to 54,423.63, 75,104.69 and 30,558.06

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Solution

The fourth proportional to 54,423.63, 75,104.69 and 30,558.06 is: 42,170.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,423.63 : 75,104.69 = 30,558.06 : x
  2. Step 2: Convert to fraction form
    54,423.63/75,104.69 = 30,558.06/x
  3. Step 3: Cross multiply
    54,423.63x = 75,104.69 × 30,558.06
  4. Step 4: Simplify right side
    54,423.63x = 2,295,053,470.51
  5. Step 5: Solve for x
    x = 2,295,053,470.51/54,423.63
  6. Step 6: Final answer
    x = 42,170.17

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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.