Home / 92,766.85-128,007.45-51,933.20

Finding the Fourth Proportional to 92,766.85, 128,007.45 and 51,933.20

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Solution

The fourth proportional to 92,766.85, 128,007.45 and 51,933.20 is: 71,661.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,766.85 : 128,007.45 = 51,933.20 : x
  2. Step 2: Convert to fraction form
    92,766.85/128,007.45 = 51,933.20/x
  3. Step 3: Cross multiply
    92,766.85x = 128,007.45 × 51,933.20
  4. Step 4: Simplify right side
    92,766.85x = 6,647,835,862.30
  5. Step 5: Solve for x
    x = 6,647,835,862.30/92,766.85
  6. Step 6: Final answer
    x = 71,661.76

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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.