Home / 106,499.96-146,977.08-61,192.61

Finding the Fourth Proportional to 106,499.96, 146,977.08 and 61,192.61

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Solution

The fourth proportional to 106,499.96, 146,977.08 and 61,192.61 is: 84,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,499.96 : 146,977.08 = 61,192.61 : x
  2. Step 2: Convert to fraction form
    106,499.96/146,977.08 = 61,192.61/x
  3. Step 3: Cross multiply
    106,499.96x = 146,977.08 × 61,192.61
  4. Step 4: Simplify right side
    106,499.96x = 8,993,911,502.82
  5. Step 5: Solve for x
    x = 8,993,911,502.82/106,499.96
  6. Step 6: Final answer
    x = 84,449.90

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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.