Home / 106,409.12-146,842.82-58,666.91

Finding the Fourth Proportional to 106,409.12, 146,842.82 and 58,666.91

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Solution

The fourth proportional to 106,409.12, 146,842.82 and 58,666.91 is: 80,959.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,409.12 : 146,842.82 = 58,666.91 : x
  2. Step 2: Convert to fraction form
    106,409.12/146,842.82 = 58,666.91/x
  3. Step 3: Cross multiply
    106,409.12x = 146,842.82 × 58,666.91
  4. Step 4: Simplify right side
    106,409.12x = 8,614,813,477.54
  5. Step 5: Solve for x
    x = 8,614,813,477.54/106,409.12
  6. Step 6: Final answer
    x = 80,959.36

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1.5x scale

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.