Home / 64,660.48-89,229.54-39,181.93

Finding the Fourth Proportional to 64,660.48, 89,229.54 and 39,181.93

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Solution

The fourth proportional to 64,660.48, 89,229.54 and 39,181.93 is: 54,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,660.48 : 89,229.54 = 39,181.93 : x
  2. Step 2: Convert to fraction form
    64,660.48/89,229.54 = 39,181.93/x
  3. Step 3: Cross multiply
    64,660.48x = 89,229.54 × 39,181.93
  4. Step 4: Simplify right side
    64,660.48x = 3,496,185,590.21
  5. Step 5: Solve for x
    x = 3,496,185,590.21/64,660.48
  6. Step 6: Final answer
    x = 54,069.90

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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.