Home / 77,384.20-116,338.74-61,788.46

Finding the Fourth Proportional to 77,384.20, 116,338.74 and 61,788.46

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Solution

The fourth proportional to 77,384.20, 116,338.74 and 61,788.46 is: 92,892.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,384.20 : 116,338.74 = 61,788.46 : x
  2. Step 2: Convert to fraction form
    77,384.20/116,338.74 = 61,788.46/x
  3. Step 3: Cross multiply
    77,384.20x = 116,338.74 × 61,788.46
  4. Step 4: Simplify right side
    77,384.20x = 7,188,391,582.94
  5. Step 5: Solve for x
    x = 7,188,391,582.94/77,384.20
  6. Step 6: Final answer
    x = 92,892.24

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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.