Home / 72,956.72-109,435.04-56,340.96

Finding the Fourth Proportional to 72,956.72, 109,435.04 and 56,340.96

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Solution

The fourth proportional to 72,956.72, 109,435.04 and 56,340.96 is: 84,511.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,956.72 : 109,435.04 = 56,340.96 : x
  2. Step 2: Convert to fraction form
    72,956.72/109,435.04 = 56,340.96/x
  3. Step 3: Cross multiply
    72,956.72x = 109,435.04 × 56,340.96
  4. Step 4: Simplify right side
    72,956.72x = 6,165,675,211.24
  5. Step 5: Solve for x
    x = 6,165,675,211.24/72,956.72
  6. Step 6: Final answer
    x = 84,511.41

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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.