Home / 45,013.70-67,528.75-15,434.52

Finding the Fourth Proportional to 45,013.70, 67,528.75 and 15,434.52

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Solution

The fourth proportional to 45,013.70, 67,528.75 and 15,434.52 is: 23,154.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,013.70 : 67,528.75 = 15,434.52 : x
  2. Step 2: Convert to fraction form
    45,013.70/67,528.75 = 15,434.52/x
  3. Step 3: Cross multiply
    45,013.70x = 67,528.75 × 15,434.52
  4. Step 4: Simplify right side
    45,013.70x = 1,042,273,842.45
  5. Step 5: Solve for x
    x = 1,042,273,842.45/45,013.70
  6. Step 6: Final answer
    x = 23,154.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.