Home / 84,782.44-127,196.70-29,382.76

Finding the Fourth Proportional to 84,782.44, 127,196.70 and 29,382.76

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Solution

The fourth proportional to 84,782.44, 127,196.70 and 29,382.76 is: 44,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,782.44 : 127,196.70 = 29,382.76 : x
  2. Step 2: Convert to fraction form
    84,782.44/127,196.70 = 29,382.76/x
  3. Step 3: Cross multiply
    84,782.44x = 127,196.70 × 29,382.76
  4. Step 4: Simplify right side
    84,782.44x = 3,737,390,108.89
  5. Step 5: Solve for x
    x = 3,737,390,108.89/84,782.44
  6. Step 6: Final answer
    x = 44,082.12

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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.