Home / 85,095.42-127,633.41-22,770.78

Finding the Fourth Proportional to 85,095.42, 127,633.41 and 22,770.78

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Solution

The fourth proportional to 85,095.42, 127,633.41 and 22,770.78 is: 34,153.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,095.42 : 127,633.41 = 22,770.78 : x
  2. Step 2: Convert to fraction form
    85,095.42/127,633.41 = 22,770.78/x
  3. Step 3: Cross multiply
    85,095.42x = 127,633.41 × 22,770.78
  4. Step 4: Simplify right side
    85,095.42x = 2,906,312,299.76
  5. Step 5: Solve for x
    x = 2,906,312,299.76/85,095.42
  6. Step 6: Final answer
    x = 34,153.57

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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.