Home / 54,353.07-74,992.98-31,377.27

Finding the Fourth Proportional to 54,353.07, 74,992.98 and 31,377.27

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Solution

The fourth proportional to 54,353.07, 74,992.98 and 31,377.27 is: 43,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,353.07 : 74,992.98 = 31,377.27 : x
  2. Step 2: Convert to fraction form
    54,353.07/74,992.98 = 31,377.27/x
  3. Step 3: Cross multiply
    54,353.07x = 74,992.98 × 31,377.27
  4. Step 4: Simplify right side
    54,353.07x = 2,353,074,981.56
  5. Step 5: Solve for x
    x = 2,353,074,981.56/54,353.07
  6. Step 6: Final answer
    x = 43,292.40

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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.