Home / 109,470.60-151,069.19-61,723.67

Finding the Fourth Proportional to 109,470.60, 151,069.19 and 61,723.67

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Solution

The fourth proportional to 109,470.60, 151,069.19 and 61,723.67 is: 85,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,470.60 : 151,069.19 = 61,723.67 : x
  2. Step 2: Convert to fraction form
    109,470.60/151,069.19 = 61,723.67/x
  3. Step 3: Cross multiply
    109,470.60x = 151,069.19 × 61,723.67
  4. Step 4: Simplify right side
    109,470.60x = 9,324,543,766.76
  5. Step 5: Solve for x
    x = 9,324,543,766.76/109,470.60
  6. Step 6: Final answer
    x = 85,178.52

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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.