Home / 45,214.72-62,400-25,077.92

Finding the Fourth Proportional to 45,214.72, 62,400 and 25,077.92

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Solution

The fourth proportional to 45,214.72, 62,400 and 25,077.92 is: 34,609.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,214.72 : 62,400 = 25,077.92 : x
  2. Step 2: Convert to fraction form
    45,214.72/62,400 = 25,077.92/x
  3. Step 3: Cross multiply
    45,214.72x = 62,400 × 25,077.92
  4. Step 4: Simplify right side
    45,214.72x = 1,564,862,208
  5. Step 5: Solve for x
    x = 1,564,862,208/45,214.72
  6. Step 6: Final answer
    x = 34,609.57

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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.