Home / 57,178.84-85,764.15-17,734.93

Finding the Fourth Proportional to 57,178.84, 85,764.15 and 17,734.93

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Solution

The fourth proportional to 57,178.84, 85,764.15 and 17,734.93 is: 26,601.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,178.84 : 85,764.15 = 17,734.93 : x
  2. Step 2: Convert to fraction form
    57,178.84/85,764.15 = 17,734.93/x
  3. Step 3: Cross multiply
    57,178.84x = 85,764.15 × 17,734.93
  4. Step 4: Simplify right side
    57,178.84x = 1,521,021,196.76
  5. Step 5: Solve for x
    x = 1,521,021,196.76/57,178.84
  6. Step 6: Final answer
    x = 26,601.12

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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.