Home / 66,238.08-99,400.32-60,898.56

Finding the Fourth Proportional to 66,238.08, 99,400.32 and 60,898.56

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Solution

The fourth proportional to 66,238.08, 99,400.32 and 60,898.56 is: 91,387.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,238.08 : 99,400.32 = 60,898.56 : x
  2. Step 2: Convert to fraction form
    66,238.08/99,400.32 = 60,898.56/x
  3. Step 3: Cross multiply
    66,238.08x = 99,400.32 × 60,898.56
  4. Step 4: Simplify right side
    66,238.08x = 6,053,336,351.54
  5. Step 5: Solve for x
    x = 6,053,336,351.54/66,238.08
  6. Step 6: Final answer
    x = 91,387.56

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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.