Home / 77,867.75-116,816.21-36,314.75

Finding the Fourth Proportional to 77,867.75, 116,816.21 and 36,314.75

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Solution

The fourth proportional to 77,867.75, 116,816.21 and 36,314.75 is: 54,478.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,867.75 : 116,816.21 = 36,314.75 : x
  2. Step 2: Convert to fraction form
    77,867.75/116,816.21 = 36,314.75/x
  3. Step 3: Cross multiply
    77,867.75x = 116,816.21 × 36,314.75
  4. Step 4: Simplify right side
    77,867.75x = 4,242,151,280.52
  5. Step 5: Solve for x
    x = 4,242,151,280.52/77,867.75
  6. Step 6: Final answer
    x = 54,478.92

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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.