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Finding the Fourth Proportional to 64,891.61, 97,337.42 and 27,441.98

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Solution

The fourth proportional to 64,891.61, 97,337.42 and 27,441.98 is: 41,162.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,891.61 : 97,337.42 = 27,441.98 : x
  2. Step 2: Convert to fraction form
    64,891.61/97,337.42 = 27,441.98/x
  3. Step 3: Cross multiply
    64,891.61x = 97,337.42 × 27,441.98
  4. Step 4: Simplify right side
    64,891.61x = 2,671,131,114.81
  5. Step 5: Solve for x
    x = 2,671,131,114.81/64,891.61
  6. Step 6: Final answer
    x = 41,162.96

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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.