Home / 82,766.08-114,016.48-61,508.48

Finding the Fourth Proportional to 82,766.08, 114,016.48 and 61,508.48

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Solution

The fourth proportional to 82,766.08, 114,016.48 and 61,508.48 is: 84,732.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,766.08 : 114,016.48 = 61,508.48 : x
  2. Step 2: Convert to fraction form
    82,766.08/114,016.48 = 61,508.48/x
  3. Step 3: Cross multiply
    82,766.08x = 114,016.48 × 61,508.48
  4. Step 4: Simplify right side
    82,766.08x = 7,012,980,379.75
  5. Step 5: Solve for x
    x = 7,012,980,379.75/82,766.08
  6. Step 6: Final answer
    x = 84,732.54

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1.5x scale

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.