Home / 65,137.48-89,930.04-50,001.16

Finding the Fourth Proportional to 65,137.48, 89,930.04 and 50,001.16

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Solution

The fourth proportional to 65,137.48, 89,930.04 and 50,001.16 is: 69,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,137.48 : 89,930.04 = 50,001.16 : x
  2. Step 2: Convert to fraction form
    65,137.48/89,930.04 = 50,001.16/x
  3. Step 3: Cross multiply
    65,137.48x = 89,930.04 × 50,001.16
  4. Step 4: Simplify right side
    65,137.48x = 4,496,606,318.85
  5. Step 5: Solve for x
    x = 4,496,606,318.85/65,137.48
  6. Step 6: Final answer
    x = 69,032.55

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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.