Home / 106,385.52-146,813.04-58,640.72

Finding the Fourth Proportional to 106,385.52, 146,813.04 and 58,640.72

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Solution

The fourth proportional to 106,385.52, 146,813.04 and 58,640.72 is: 80,924.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,385.52 : 146,813.04 = 58,640.72 : x
  2. Step 2: Convert to fraction form
    106,385.52/146,813.04 = 58,640.72/x
  3. Step 3: Cross multiply
    106,385.52x = 146,813.04 × 58,640.72
  4. Step 4: Simplify right side
    106,385.52x = 8,609,222,370.99
  5. Step 5: Solve for x
    x = 8,609,222,370.99/106,385.52
  6. Step 6: Final answer
    x = 80,924.76

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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.