Home / 82,811.04-114,282-45,086.64

Finding the Fourth Proportional to 82,811.04, 114,282 and 45,086.64

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Solution

The fourth proportional to 82,811.04, 114,282 and 45,086.64 is: 62,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,811.04 : 114,282 = 45,086.64 : x
  2. Step 2: Convert to fraction form
    82,811.04/114,282 = 45,086.64/x
  3. Step 3: Cross multiply
    82,811.04x = 114,282 × 45,086.64
  4. Step 4: Simplify right side
    82,811.04x = 5,152,591,392.48
  5. Step 5: Solve for x
    x = 5,152,591,392.48/82,811.04
  6. Step 6: Final answer
    x = 62,221.07

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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.