Home / 72,143.18-99,621.42-44,965.65

Finding the Fourth Proportional to 72,143.18, 99,621.42 and 44,965.65

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Solution

The fourth proportional to 72,143.18, 99,621.42 and 44,965.65 is: 62,092.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,143.18 : 99,621.42 = 44,965.65 : x
  2. Step 2: Convert to fraction form
    72,143.18/99,621.42 = 44,965.65/x
  3. Step 3: Cross multiply
    72,143.18x = 99,621.42 × 44,965.65
  4. Step 4: Simplify right side
    72,143.18x = 4,479,541,362.02
  5. Step 5: Solve for x
    x = 4,479,541,362.02/72,143.18
  6. Step 6: Final answer
    x = 62,092.38

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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.