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Finding the Fourth Proportional to 64,461.60, 96,663.60 and 25,005.60

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Solution

The fourth proportional to 64,461.60, 96,663.60 and 25,005.60 is: 37,497.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,461.60 : 96,663.60 = 25,005.60 : x
  2. Step 2: Convert to fraction form
    64,461.60/96,663.60 = 25,005.60/x
  3. Step 3: Cross multiply
    64,461.60x = 96,663.60 × 25,005.60
  4. Step 4: Simplify right side
    64,461.60x = 2,417,131,316.16
  5. Step 5: Solve for x
    x = 2,417,131,316.16/64,461.60
  6. Step 6: Final answer
    x = 37,497.23

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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.