Home / 82,920.24-114,432.99-47,116.35

Finding the Fourth Proportional to 82,920.24, 114,432.99 and 47,116.35

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Solution

The fourth proportional to 82,920.24, 114,432.99 and 47,116.35 is: 65,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,920.24 : 114,432.99 = 47,116.35 : x
  2. Step 2: Convert to fraction form
    82,920.24/114,432.99 = 47,116.35/x
  3. Step 3: Cross multiply
    82,920.24x = 114,432.99 × 47,116.35
  4. Step 4: Simplify right side
    82,920.24x = 5,391,664,808.39
  5. Step 5: Solve for x
    x = 5,391,664,808.39/82,920.24
  6. Step 6: Final answer
    x = 65,022.30

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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.