Home / 104,660.40-156,987.10-45,496.08

Finding the Fourth Proportional to 104,660.40, 156,987.10 and 45,496.08

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Solution

The fourth proportional to 104,660.40, 156,987.10 and 45,496.08 is: 68,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,660.40 : 156,987.10 = 45,496.08 : x
  2. Step 2: Convert to fraction form
    104,660.40/156,987.10 = 45,496.08/x
  3. Step 3: Cross multiply
    104,660.40x = 156,987.10 × 45,496.08
  4. Step 4: Simplify right side
    104,660.40x = 7,142,297,660.57
  5. Step 5: Solve for x
    x = 7,142,297,660.57/104,660.40
  6. Step 6: Final answer
    x = 68,242.60

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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.