Home / 61,436.72-92,167.38-19,327.40

Finding the Fourth Proportional to 61,436.72, 92,167.38 and 19,327.40

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Solution

The fourth proportional to 61,436.72, 92,167.38 and 19,327.40 is: 28,994.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,436.72 : 92,167.38 = 19,327.40 : x
  2. Step 2: Convert to fraction form
    61,436.72/92,167.38 = 19,327.40/x
  3. Step 3: Cross multiply
    61,436.72x = 92,167.38 × 19,327.40
  4. Step 4: Simplify right side
    61,436.72x = 1,781,355,589.79
  5. Step 5: Solve for x
    x = 1,781,355,589.79/61,436.72
  6. Step 6: Final answer
    x = 28,994.97

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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.