Home / 53,128.98-73,318.49-29,256.52

Finding the Fourth Proportional to 53,128.98, 73,318.49 and 29,256.52

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Solution

The fourth proportional to 53,128.98, 73,318.49 and 29,256.52 is: 40,374.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,128.98 : 73,318.49 = 29,256.52 : x
  2. Step 2: Convert to fraction form
    53,128.98/73,318.49 = 29,256.52/x
  3. Step 3: Cross multiply
    53,128.98x = 73,318.49 × 29,256.52
  4. Step 4: Simplify right side
    53,128.98x = 2,145,043,869.05
  5. Step 5: Solve for x
    x = 2,145,043,869.05/53,128.98
  6. Step 6: Final answer
    x = 40,374.27

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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.