Home / 48,781.09-73,119.14-31,907.74

Finding the Fourth Proportional to 48,781.09, 73,119.14 and 31,907.74

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Solution

The fourth proportional to 48,781.09, 73,119.14 and 31,907.74 is: 47,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,781.09 : 73,119.14 = 31,907.74 : x
  2. Step 2: Convert to fraction form
    48,781.09/73,119.14 = 31,907.74/x
  3. Step 3: Cross multiply
    48,781.09x = 73,119.14 × 31,907.74
  4. Step 4: Simplify right side
    48,781.09x = 2,333,066,508.14
  5. Step 5: Solve for x
    x = 2,333,066,508.14/48,781.09
  6. Step 6: Final answer
    x = 47,827.27

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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.