Home / 72,286.50-99,816.93-45,473.88

Finding the Fourth Proportional to 72,286.50, 99,816.93 and 45,473.88

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Solution

The fourth proportional to 72,286.50, 99,816.93 and 45,473.88 is: 62,792.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,286.50 : 99,816.93 = 45,473.88 : x
  2. Step 2: Convert to fraction form
    72,286.50/99,816.93 = 45,473.88/x
  3. Step 3: Cross multiply
    72,286.50x = 99,816.93 × 45,473.88
  4. Step 4: Simplify right side
    72,286.50x = 4,539,063,096.79
  5. Step 5: Solve for x
    x = 4,539,063,096.79/72,286.50
  6. Step 6: Final answer
    x = 62,792.68

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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.