Home / 77,918.48-116,851.20-25,314.92

Finding the Fourth Proportional to 77,918.48, 116,851.20 and 25,314.92

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Solution

The fourth proportional to 77,918.48, 116,851.20 and 25,314.92 is: 37,963.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,918.48 : 116,851.20 = 25,314.92 : x
  2. Step 2: Convert to fraction form
    77,918.48/116,851.20 = 25,314.92/x
  3. Step 3: Cross multiply
    77,918.48x = 116,851.20 × 25,314.92
  4. Step 4: Simplify right side
    77,918.48x = 2,958,078,779.90
  5. Step 5: Solve for x
    x = 2,958,078,779.90/77,918.48
  6. Step 6: Final answer
    x = 37,963.76

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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.