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Finding the Fourth Proportional to 64,446.39, 96,630.71 and 28,901.25

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Solution

The fourth proportional to 64,446.39, 96,630.71 and 28,901.25 is: 43,334.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,446.39 : 96,630.71 = 28,901.25 : x
  2. Step 2: Convert to fraction form
    64,446.39/96,630.71 = 28,901.25/x
  3. Step 3: Cross multiply
    64,446.39x = 96,630.71 × 28,901.25
  4. Step 4: Simplify right side
    64,446.39x = 2,792,748,162.88
  5. Step 5: Solve for x
    x = 2,792,748,162.88/64,446.39
  6. Step 6: Final answer
    x = 43,334.44

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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.