Home / 82,929.60-124,370.10-29,615.40

Finding the Fourth Proportional to 82,929.60, 124,370.10 and 29,615.40

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Solution

The fourth proportional to 82,929.60, 124,370.10 and 29,615.40 is: 44,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,929.60 : 124,370.10 = 29,615.40 : x
  2. Step 2: Convert to fraction form
    82,929.60/124,370.10 = 29,615.40/x
  3. Step 3: Cross multiply
    82,929.60x = 124,370.10 × 29,615.40
  4. Step 4: Simplify right side
    82,929.60x = 3,683,270,259.54
  5. Step 5: Solve for x
    x = 3,683,270,259.54/82,929.60
  6. Step 6: Final answer
    x = 44,414.42

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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.