Home / 64,557.11-89,089.97-35,879.39

Finding the Fourth Proportional to 64,557.11, 89,089.97 and 35,879.39

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Solution

The fourth proportional to 64,557.11, 89,089.97 and 35,879.39 is: 49,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,557.11 : 89,089.97 = 35,879.39 : x
  2. Step 2: Convert to fraction form
    64,557.11/89,089.97 = 35,879.39/x
  3. Step 3: Cross multiply
    64,557.11x = 89,089.97 × 35,879.39
  4. Step 4: Simplify right side
    64,557.11x = 3,196,493,599.32
  5. Step 5: Solve for x
    x = 3,196,493,599.32/64,557.11
  6. Step 6: Final answer
    x = 49,514.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.