Home / 88,849.40-133,079.70-53,727.80

Finding the Fourth Proportional to 88,849.40, 133,079.70 and 53,727.80

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Solution

The fourth proportional to 88,849.40, 133,079.70 and 53,727.80 is: 80,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,849.40 : 133,079.70 = 53,727.80 : x
  2. Step 2: Convert to fraction form
    88,849.40/133,079.70 = 53,727.80/x
  3. Step 3: Cross multiply
    88,849.40x = 133,079.70 × 53,727.80
  4. Step 4: Simplify right side
    88,849.40x = 7,150,079,505.66
  5. Step 5: Solve for x
    x = 7,150,079,505.66/88,849.40
  6. Step 6: Final answer
    x = 80,474.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.