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Finding the Fourth Proportional to 64,100.48, 96,170.13 and 45,416.66

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Solution

The fourth proportional to 64,100.48, 96,170.13 and 45,416.66 is: 68,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,100.48 : 96,170.13 = 45,416.66 : x
  2. Step 2: Convert to fraction form
    64,100.48/96,170.13 = 45,416.66/x
  3. Step 3: Cross multiply
    64,100.48x = 96,170.13 × 45,416.66
  4. Step 4: Simplify right side
    64,100.48x = 4,367,725,615.52
  5. Step 5: Solve for x
    x = 4,367,725,615.52/64,100.48
  6. Step 6: Final answer
    x = 68,138.74

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