Home / 64,930.25-89,610.63-38,095.36

Finding the Fourth Proportional to 64,930.25, 89,610.63 and 38,095.36

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Solution

The fourth proportional to 64,930.25, 89,610.63 and 38,095.36 is: 52,575.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,930.25 : 89,610.63 = 38,095.36 : x
  2. Step 2: Convert to fraction form
    64,930.25/89,610.63 = 38,095.36/x
  3. Step 3: Cross multiply
    64,930.25x = 89,610.63 × 38,095.36
  4. Step 4: Simplify right side
    64,930.25x = 3,413,749,209.68
  5. Step 5: Solve for x
    x = 3,413,749,209.68/64,930.25
  6. Step 6: Final answer
    x = 52,575.64

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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.