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Finding the Fourth Proportional to 92,715.67, 139,058.78 and 29,527.57

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Solution

The fourth proportional to 92,715.67, 139,058.78 and 29,527.57 is: 44,286.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,715.67 : 139,058.78 = 29,527.57 : x
  2. Step 2: Convert to fraction form
    92,715.67/139,058.78 = 29,527.57/x
  3. Step 3: Cross multiply
    92,715.67x = 139,058.78 × 29,527.57
  4. Step 4: Simplify right side
    92,715.67x = 4,106,067,165.27
  5. Step 5: Solve for x
    x = 4,106,067,165.27/92,715.67
  6. Step 6: Final answer
    x = 44,286.66

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1.5x scale

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.