Home / 85,285.32-117,732.12-62,584.20

Finding the Fourth Proportional to 85,285.32, 117,732.12 and 62,584.20

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Solution

The fourth proportional to 85,285.32, 117,732.12 and 62,584.20 is: 86,394.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,285.32 : 117,732.12 = 62,584.20 : x
  2. Step 2: Convert to fraction form
    85,285.32/117,732.12 = 62,584.20/x
  3. Step 3: Cross multiply
    85,285.32x = 117,732.12 × 62,584.20
  4. Step 4: Simplify right side
    85,285.32x = 7,368,170,544.50
  5. Step 5: Solve for x
    x = 7,368,170,544.50/85,285.32
  6. Step 6: Final answer
    x = 86,394.36

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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.