Home / 82,838.40-124,261.70-23,682.79

Finding the Fourth Proportional to 82,838.40, 124,261.70 and 23,682.79

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Solution

The fourth proportional to 82,838.40, 124,261.70 and 23,682.79 is: 35,525.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,838.40 : 124,261.70 = 23,682.79 : x
  2. Step 2: Convert to fraction form
    82,838.40/124,261.70 = 23,682.79/x
  3. Step 3: Cross multiply
    82,838.40x = 124,261.70 × 23,682.79
  4. Step 4: Simplify right side
    82,838.40x = 2,942,863,746.14
  5. Step 5: Solve for x
    x = 2,942,863,746.14/82,838.40
  6. Step 6: Final answer
    x = 35,525.36

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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.