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Finding the Fourth Proportional to 64,816.73, 97,186.21 and 25,326.80

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Solution

The fourth proportional to 64,816.73, 97,186.21 and 25,326.80 is: 37,975.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,816.73 : 97,186.21 = 25,326.80 : x
  2. Step 2: Convert to fraction form
    64,816.73/97,186.21 = 25,326.80/x
  3. Step 3: Cross multiply
    64,816.73x = 97,186.21 × 25,326.80
  4. Step 4: Simplify right side
    64,816.73x = 2,461,415,154.18
  5. Step 5: Solve for x
    x = 2,461,415,154.18/64,816.73
  6. Step 6: Final answer
    x = 37,975.00

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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.