Home / 81,584.90-112,586.46-45,774.14

Finding the Fourth Proportional to 81,584.90, 112,586.46 and 45,774.14

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Solution

The fourth proportional to 81,584.90, 112,586.46 and 45,774.14 is: 63,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,584.90 : 112,586.46 = 45,774.14 : x
  2. Step 2: Convert to fraction form
    81,584.90/112,586.46 = 45,774.14/x
  3. Step 3: Cross multiply
    81,584.90x = 112,586.46 × 45,774.14
  4. Step 4: Simplify right side
    81,584.90x = 5,153,548,382.14
  5. Step 5: Solve for x
    x = 5,153,548,382.14/81,584.90
  6. Step 6: Final answer
    x = 63,167.92

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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.