Home / 82,747.12-124,124.70-23,586.88

Finding the Fourth Proportional to 82,747.12, 124,124.70 and 23,586.88

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Solution

The fourth proportional to 82,747.12, 124,124.70 and 23,586.88 is: 35,381.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,747.12 : 124,124.70 = 23,586.88 : x
  2. Step 2: Convert to fraction form
    82,747.12/124,124.70 = 23,586.88/x
  3. Step 3: Cross multiply
    82,747.12x = 124,124.70 × 23,586.88
  4. Step 4: Simplify right side
    82,747.12x = 2,927,714,403.94
  5. Step 5: Solve for x
    x = 2,927,714,403.94/82,747.12
  6. Step 6: Final answer
    x = 35,381.47

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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.