Home / 106,320.32-146,721.36-58,572.56

Finding the Fourth Proportional to 106,320.32, 146,721.36 and 58,572.56

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Solution

The fourth proportional to 106,320.32, 146,721.36 and 58,572.56 is: 80,829.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,320.32 : 146,721.36 = 58,572.56 : x
  2. Step 2: Convert to fraction form
    106,320.32/146,721.36 = 58,572.56/x
  3. Step 3: Cross multiply
    106,320.32x = 146,721.36 × 58,572.56
  4. Step 4: Simplify right side
    106,320.32x = 8,593,845,661.88
  5. Step 5: Solve for x
    x = 8,593,845,661.88/106,320.32
  6. Step 6: Final answer
    x = 80,829.76

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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.