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Finding the Fourth Proportional to 63,072.99, 94,607.43 and 25,621.98

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Solution

The fourth proportional to 63,072.99, 94,607.43 and 25,621.98 is: 38,432.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,072.99 : 94,607.43 = 25,621.98 : x
  2. Step 2: Convert to fraction form
    63,072.99/94,607.43 = 25,621.98/x
  3. Step 3: Cross multiply
    63,072.99x = 94,607.43 × 25,621.98
  4. Step 4: Simplify right side
    63,072.99x = 2,424,029,679.31
  5. Step 5: Solve for x
    x = 2,424,029,679.31/63,072.99
  6. Step 6: Final answer
    x = 38,432.14

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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.