Home / 72,043.18-99,300.62-48,161.14

Finding the Fourth Proportional to 72,043.18, 99,300.62 and 48,161.14

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Solution

The fourth proportional to 72,043.18, 99,300.62 and 48,161.14 is: 66,382.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,043.18 : 99,300.62 = 48,161.14 : x
  2. Step 2: Convert to fraction form
    72,043.18/99,300.62 = 48,161.14/x
  3. Step 3: Cross multiply
    72,043.18x = 99,300.62 × 48,161.14
  4. Step 4: Simplify right side
    72,043.18x = 4,782,431,061.91
  5. Step 5: Solve for x
    x = 4,782,431,061.91/72,043.18
  6. Step 6: Final answer
    x = 66,382.84

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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.