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Finding the Fourth Proportional to 64,922.61, 97,325.14 and 25,469.13

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Solution

The fourth proportional to 64,922.61, 97,325.14 and 25,469.13 is: 38,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,922.61 : 97,325.14 = 25,469.13 : x
  2. Step 2: Convert to fraction form
    64,922.61/97,325.14 = 25,469.13/x
  3. Step 3: Cross multiply
    64,922.61x = 97,325.14 × 25,469.13
  4. Step 4: Simplify right side
    64,922.61x = 2,478,786,642.93
  5. Step 5: Solve for x
    x = 2,478,786,642.93/64,922.61
  6. Step 6: Final answer
    x = 38,180.64

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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.