Home / 80,927.66-121,392.60-31,010.27

Finding the Fourth Proportional to 80,927.66, 121,392.60 and 31,010.27

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Solution

The fourth proportional to 80,927.66, 121,392.60 and 31,010.27 is: 46,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,927.66 : 121,392.60 = 31,010.27 : x
  2. Step 2: Convert to fraction form
    80,927.66/121,392.60 = 31,010.27/x
  3. Step 3: Cross multiply
    80,927.66x = 121,392.60 × 31,010.27
  4. Step 4: Simplify right side
    80,927.66x = 3,764,417,302.00
  5. Step 5: Solve for x
    x = 3,764,417,302.00/80,927.66
  6. Step 6: Final answer
    x = 46,515.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.