Home / 53,905.57-80,853.29-25,435.89

Finding the Fourth Proportional to 53,905.57, 80,853.29 and 25,435.89

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Solution

The fourth proportional to 53,905.57, 80,853.29 and 25,435.89 is: 38,151.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,905.57 : 80,853.29 = 25,435.89 : x
  2. Step 2: Convert to fraction form
    53,905.57/80,853.29 = 25,435.89/x
  3. Step 3: Cross multiply
    53,905.57x = 80,853.29 × 25,435.89
  4. Step 4: Simplify right side
    53,905.57x = 2,056,575,358.78
  5. Step 5: Solve for x
    x = 2,056,575,358.78/53,905.57
  6. Step 6: Final answer
    x = 38,151.45

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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.