Home / 77,762.20-116,513.70-73,096.60

Finding the Fourth Proportional to 77,762.20, 116,513.70 and 73,096.60

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Solution

The fourth proportional to 77,762.20, 116,513.70 and 73,096.60 is: 109,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,762.20 : 116,513.70 = 73,096.60 : x
  2. Step 2: Convert to fraction form
    77,762.20/116,513.70 = 73,096.60/x
  3. Step 3: Cross multiply
    77,762.20x = 116,513.70 × 73,096.60
  4. Step 4: Simplify right side
    77,762.20x = 8,516,755,323.42
  5. Step 5: Solve for x
    x = 8,516,755,323.42/77,762.20
  6. Step 6: Final answer
    x = 109,523.08

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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.