Home / 107,655.36-148,410.42-75,725.16

Finding the Fourth Proportional to 107,655.36, 148,410.42 and 75,725.16

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Solution

The fourth proportional to 107,655.36, 148,410.42 and 75,725.16 is: 104,392.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,655.36 : 148,410.42 = 75,725.16 : x
  2. Step 2: Convert to fraction form
    107,655.36/148,410.42 = 75,725.16/x
  3. Step 3: Cross multiply
    107,655.36x = 148,410.42 × 75,725.16
  4. Step 4: Simplify right side
    107,655.36x = 11,238,401,959.66
  5. Step 5: Solve for x
    x = 11,238,401,959.66/107,655.36
  6. Step 6: Final answer
    x = 104,392.41

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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.