Home / 106,387.20-146,803.52-61,054.34

Finding the Fourth Proportional to 106,387.20, 146,803.52 and 61,054.34

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Solution

The fourth proportional to 106,387.20, 146,803.52 and 61,054.34 is: 84,248.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,387.20 : 146,803.52 = 61,054.34 : x
  2. Step 2: Convert to fraction form
    106,387.20/146,803.52 = 61,054.34/x
  3. Step 3: Cross multiply
    106,387.20x = 146,803.52 × 61,054.34
  4. Step 4: Simplify right side
    106,387.20x = 8,962,992,023.28
  5. Step 5: Solve for x
    x = 8,962,992,023.28/106,387.20
  6. Step 6: Final answer
    x = 84,248.78

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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.