Home / 53,129.61-73,319.34-29,256.38

Finding the Fourth Proportional to 53,129.61, 73,319.34 and 29,256.38

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Solution

The fourth proportional to 53,129.61, 73,319.34 and 29,256.38 is: 40,374.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,129.61 : 73,319.34 = 29,256.38 : x
  2. Step 2: Convert to fraction form
    53,129.61/73,319.34 = 29,256.38/x
  3. Step 3: Cross multiply
    53,129.61x = 73,319.34 × 29,256.38
  4. Step 4: Simplify right side
    53,129.61x = 2,145,058,472.39
  5. Step 5: Solve for x
    x = 2,145,058,472.39/53,129.61
  6. Step 6: Final answer
    x = 40,374.07

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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.