Home / 53,640.39-74,024.55-29,768.61

Finding the Fourth Proportional to 53,640.39, 74,024.55 and 29,768.61

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Solution

The fourth proportional to 53,640.39, 74,024.55 and 29,768.61 is: 41,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,640.39 : 74,024.55 = 29,768.61 : x
  2. Step 2: Convert to fraction form
    53,640.39/74,024.55 = 29,768.61/x
  3. Step 3: Cross multiply
    53,640.39x = 74,024.55 × 29,768.61
  4. Step 4: Simplify right side
    53,640.39x = 2,203,607,959.38
  5. Step 5: Solve for x
    x = 2,203,607,959.38/53,640.39
  6. Step 6: Final answer
    x = 41,081.13

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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.