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Finding the Fourth Proportional to 64,225.60, 96,819.79 and 59,944

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Solution

The fourth proportional to 64,225.60, 96,819.79 and 59,944 is: 90,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,225.60 : 96,819.79 = 59,944 : x
  2. Step 2: Convert to fraction form
    64,225.60/96,819.79 = 59,944/x
  3. Step 3: Cross multiply
    64,225.60x = 96,819.79 × 59,944
  4. Step 4: Simplify right side
    64,225.60x = 5,803,765,491.76
  5. Step 5: Solve for x
    x = 5,803,765,491.76/64,225.60
  6. Step 6: Final answer
    x = 90,365.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.