Home / 77,795.20-116,696.74-37,850.86

Finding the Fourth Proportional to 77,795.20, 116,696.74 and 37,850.86

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Solution

The fourth proportional to 77,795.20, 116,696.74 and 37,850.86 is: 56,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,795.20 : 116,696.74 = 37,850.86 : x
  2. Step 2: Convert to fraction form
    77,795.20/116,696.74 = 37,850.86/x
  3. Step 3: Cross multiply
    77,795.20x = 116,696.74 × 37,850.86
  4. Step 4: Simplify right side
    77,795.20x = 4,417,071,968.20
  5. Step 5: Solve for x
    x = 4,417,071,968.20/77,795.20
  6. Step 6: Final answer
    x = 56,778.21

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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.