Home / 106,378.11-146,801.77-58,631.45

Finding the Fourth Proportional to 106,378.11, 146,801.77 and 58,631.45

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Solution

The fourth proportional to 106,378.11, 146,801.77 and 58,631.45 is: 80,911.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,378.11 : 146,801.77 = 58,631.45 : x
  2. Step 2: Convert to fraction form
    106,378.11/146,801.77 = 58,631.45/x
  3. Step 3: Cross multiply
    106,378.11x = 146,801.77 × 58,631.45
  4. Step 4: Simplify right side
    106,378.11x = 8,607,199,757.08
  5. Step 5: Solve for x
    x = 8,607,199,757.08/106,378.11
  6. Step 6: Final answer
    x = 80,911.38

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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.