Home / 77,810.88-116,727.12-25,203.36

Finding the Fourth Proportional to 77,810.88, 116,727.12 and 25,203.36

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Solution

The fourth proportional to 77,810.88, 116,727.12 and 25,203.36 is: 37,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,810.88 : 116,727.12 = 25,203.36 : x
  2. Step 2: Convert to fraction form
    77,810.88/116,727.12 = 25,203.36/x
  3. Step 3: Cross multiply
    77,810.88x = 116,727.12 × 25,203.36
  4. Step 4: Simplify right side
    77,810.88x = 2,941,915,627.12
  5. Step 5: Solve for x
    x = 2,941,915,627.12/77,810.88
  6. Step 6: Final answer
    x = 37,808.54

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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.