Home / 77,929.66-116,712.24-38,359.54

Finding the Fourth Proportional to 77,929.66, 116,712.24 and 38,359.54

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Solution

The fourth proportional to 77,929.66, 116,712.24 and 38,359.54 is: 57,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,929.66 : 116,712.24 = 38,359.54 : x
  2. Step 2: Convert to fraction form
    77,929.66/116,712.24 = 38,359.54/x
  3. Step 3: Cross multiply
    77,929.66x = 116,712.24 × 38,359.54
  4. Step 4: Simplify right side
    77,929.66x = 4,477,027,838.77
  5. Step 5: Solve for x
    x = 4,477,027,838.77/77,929.66
  6. Step 6: Final answer
    x = 57,449.60

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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.