Home / 84,823.93-127,240.28-21,644.61

Finding the Fourth Proportional to 84,823.93, 127,240.28 and 21,644.61

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Solution

The fourth proportional to 84,823.93, 127,240.28 and 21,644.61 is: 32,468.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,823.93 : 127,240.28 = 21,644.61 : x
  2. Step 2: Convert to fraction form
    84,823.93/127,240.28 = 21,644.61/x
  3. Step 3: Cross multiply
    84,823.93x = 127,240.28 × 21,644.61
  4. Step 4: Simplify right side
    84,823.93x = 2,754,066,236.89
  5. Step 5: Solve for x
    x = 2,754,066,236.89/84,823.93
  6. Step 6: Final answer
    x = 32,468.03

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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.