Home / 107,656.24-148,411.62-75,726.04

Finding the Fourth Proportional to 107,656.24, 148,411.62 and 75,726.04

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Solution

The fourth proportional to 107,656.24, 148,411.62 and 75,726.04 is: 104,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,656.24 : 148,411.62 = 75,726.04 : x
  2. Step 2: Convert to fraction form
    107,656.24/148,411.62 = 75,726.04/x
  3. Step 3: Cross multiply
    107,656.24x = 148,411.62 × 75,726.04
  4. Step 4: Simplify right side
    107,656.24x = 11,238,623,530.53
  5. Step 5: Solve for x
    x = 11,238,623,530.53/107,656.24
  6. Step 6: Final answer
    x = 104,393.61

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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.