Home / 82,920.57-124,407.15-29,611.38

Finding the Fourth Proportional to 82,920.57, 124,407.15 and 29,611.38

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Solution

The fourth proportional to 82,920.57, 124,407.15 and 29,611.38 is: 44,426.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,920.57 : 124,407.15 = 29,611.38 : x
  2. Step 2: Convert to fraction form
    82,920.57/124,407.15 = 29,611.38/x
  3. Step 3: Cross multiply
    82,920.57x = 124,407.15 × 29,611.38
  4. Step 4: Simplify right side
    82,920.57x = 3,683,867,393.37
  5. Step 5: Solve for x
    x = 3,683,867,393.37/82,920.57
  6. Step 6: Final answer
    x = 44,426.46

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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.