Home / 65,108.45-89,849.17-36,815.15

Finding the Fourth Proportional to 65,108.45, 89,849.17 and 36,815.15

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Solution

The fourth proportional to 65,108.45, 89,849.17 and 36,815.15 is: 50,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,108.45 : 89,849.17 = 36,815.15 : x
  2. Step 2: Convert to fraction form
    65,108.45/89,849.17 = 36,815.15/x
  3. Step 3: Cross multiply
    65,108.45x = 89,849.17 × 36,815.15
  4. Step 4: Simplify right side
    65,108.45x = 3,307,810,670.93
  5. Step 5: Solve for x
    x = 3,307,810,670.93/65,108.45
  6. Step 6: Final answer
    x = 50,804.63

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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.