Home / 45,813.60-68,680.40-17,752.80

Finding the Fourth Proportional to 45,813.60, 68,680.40 and 17,752.80

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Solution

The fourth proportional to 45,813.60, 68,680.40 and 17,752.80 is: 26,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,813.60 : 68,680.40 = 17,752.80 : x
  2. Step 2: Convert to fraction form
    45,813.60/68,680.40 = 17,752.80/x
  3. Step 3: Cross multiply
    45,813.60x = 68,680.40 × 17,752.80
  4. Step 4: Simplify right side
    45,813.60x = 1,219,269,405.12
  5. Step 5: Solve for x
    x = 1,219,269,405.12/45,813.60
  6. Step 6: Final answer
    x = 26,613.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.