Home / 107,660.22-148,417.13-75,730.02

Finding the Fourth Proportional to 107,660.22, 148,417.13 and 75,730.02

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Solution

The fourth proportional to 107,660.22, 148,417.13 and 75,730.02 is: 104,399.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,660.22 : 148,417.13 = 75,730.02 : x
  2. Step 2: Convert to fraction form
    107,660.22/148,417.13 = 75,730.02/x
  3. Step 3: Cross multiply
    107,660.22x = 148,417.13 × 75,730.02
  4. Step 4: Simplify right side
    107,660.22x = 11,239,632,223.24
  5. Step 5: Solve for x
    x = 11,239,632,223.24/107,660.22
  6. Step 6: Final answer
    x = 104,399.12

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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.