Home / 82,699.12-114,085.67-55,850.96

Finding the Fourth Proportional to 82,699.12, 114,085.67 and 55,850.96

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Solution

The fourth proportional to 82,699.12, 114,085.67 and 55,850.96 is: 77,047.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,699.12 : 114,085.67 = 55,850.96 : x
  2. Step 2: Convert to fraction form
    82,699.12/114,085.67 = 55,850.96/x
  3. Step 3: Cross multiply
    82,699.12x = 114,085.67 × 55,850.96
  4. Step 4: Simplify right side
    82,699.12x = 6,371,794,197.70
  5. Step 5: Solve for x
    x = 6,371,794,197.70/82,699.12
  6. Step 6: Final answer
    x = 77,047.91

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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.