Home / 53,738.61-80,484.97-25,678.38

Finding the Fourth Proportional to 53,738.61, 80,484.97 and 25,678.38

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Solution

The fourth proportional to 53,738.61, 80,484.97 and 25,678.38 is: 38,458.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,738.61 : 80,484.97 = 25,678.38 : x
  2. Step 2: Convert to fraction form
    53,738.61/80,484.97 = 25,678.38/x
  3. Step 3: Cross multiply
    53,738.61x = 80,484.97 × 25,678.38
  4. Step 4: Simplify right side
    53,738.61x = 2,066,723,643.95
  5. Step 5: Solve for x
    x = 2,066,723,643.95/53,738.61
  6. Step 6: Final answer
    x = 38,458.82

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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.