Home / 53,942.40-80,878.59-25,861.77

Finding the Fourth Proportional to 53,942.40, 80,878.59 and 25,861.77

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Solution

The fourth proportional to 53,942.40, 80,878.59 and 25,861.77 is: 38,775.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,942.40 : 80,878.59 = 25,861.77 : x
  2. Step 2: Convert to fraction form
    53,942.40/80,878.59 = 25,861.77/x
  3. Step 3: Cross multiply
    53,942.40x = 80,878.59 × 25,861.77
  4. Step 4: Simplify right side
    53,942.40x = 2,091,663,492.50
  5. Step 5: Solve for x
    x = 2,091,663,492.50/53,942.40
  6. Step 6: Final answer
    x = 38,775.87

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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.