Home / 77,927.20-116,890.80-44,749.60

Finding the Fourth Proportional to 77,927.20, 116,890.80 and 44,749.60

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Solution

The fourth proportional to 77,927.20, 116,890.80 and 44,749.60 is: 67,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,927.20 : 116,890.80 = 44,749.60 : x
  2. Step 2: Convert to fraction form
    77,927.20/116,890.80 = 44,749.60/x
  3. Step 3: Cross multiply
    77,927.20x = 116,890.80 × 44,749.60
  4. Step 4: Simplify right side
    77,927.20x = 5,230,816,543.68
  5. Step 5: Solve for x
    x = 5,230,816,543.68/77,927.20
  6. Step 6: Final answer
    x = 67,124.40

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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.