Home / 85,464.62-117,774.68-61,546.14

Finding the Fourth Proportional to 85,464.62, 117,774.68 and 61,546.14

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Solution

The fourth proportional to 85,464.62, 117,774.68 and 61,546.14 is: 84,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,464.62 : 117,774.68 = 61,546.14 : x
  2. Step 2: Convert to fraction form
    85,464.62/117,774.68 = 61,546.14/x
  3. Step 3: Cross multiply
    85,464.62x = 117,774.68 × 61,546.14
  4. Step 4: Simplify right side
    85,464.62x = 7,248,576,943.74
  5. Step 5: Solve for x
    x = 7,248,576,943.74/85,464.62
  6. Step 6: Final answer
    x = 84,813.77

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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.