Home / 82,988.54-114,523.66-47,178.56

Finding the Fourth Proportional to 82,988.54, 114,523.66 and 47,178.56

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Solution

The fourth proportional to 82,988.54, 114,523.66 and 47,178.56 is: 65,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,988.54 : 114,523.66 = 47,178.56 : x
  2. Step 2: Convert to fraction form
    82,988.54/114,523.66 = 47,178.56/x
  3. Step 3: Cross multiply
    82,988.54x = 114,523.66 × 47,178.56
  4. Step 4: Simplify right side
    82,988.54x = 5,403,061,364.73
  5. Step 5: Solve for x
    x = 5,403,061,364.73/82,988.54
  6. Step 6: Final answer
    x = 65,106.11

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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.