Home / 53,129.23-73,315.71-29,251.45

Finding the Fourth Proportional to 53,129.23, 73,315.71 and 29,251.45

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Solution

The fourth proportional to 53,129.23, 73,315.71 and 29,251.45 is: 40,365.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,129.23 : 73,315.71 = 29,251.45 : x
  2. Step 2: Convert to fraction form
    53,129.23/73,315.71 = 29,251.45/x
  3. Step 3: Cross multiply
    53,129.23x = 73,315.71 × 29,251.45
  4. Step 4: Simplify right side
    53,129.23x = 2,144,590,504.52
  5. Step 5: Solve for x
    x = 2,144,590,504.52/53,129.23
  6. Step 6: Final answer
    x = 40,365.55

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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.