Home / 106,327.77-146,731.88-57,929.57

Finding the Fourth Proportional to 106,327.77, 146,731.88 and 57,929.57

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Solution

The fourth proportional to 106,327.77, 146,731.88 and 57,929.57 is: 79,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,327.77 : 146,731.88 = 57,929.57 : x
  2. Step 2: Convert to fraction form
    106,327.77/146,731.88 = 57,929.57/x
  3. Step 3: Cross multiply
    106,327.77x = 146,731.88 × 57,929.57
  4. Step 4: Simplify right side
    106,327.77x = 8,500,114,124.86
  5. Step 5: Solve for x
    x = 8,500,114,124.86/106,327.77
  6. Step 6: Final answer
    x = 79,942.56

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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.