Home / 89,972.60-124,161.60-49,686.03

Finding the Fourth Proportional to 89,972.60, 124,161.60 and 49,686.03

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Solution

The fourth proportional to 89,972.60, 124,161.60 and 49,686.03 is: 68,566.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,972.60 : 124,161.60 = 49,686.03 : x
  2. Step 2: Convert to fraction form
    89,972.60/124,161.60 = 49,686.03/x
  3. Step 3: Cross multiply
    89,972.60x = 124,161.60 × 49,686.03
  4. Step 4: Simplify right side
    89,972.60x = 6,169,096,982.45
  5. Step 5: Solve for x
    x = 6,169,096,982.45/89,972.60
  6. Step 6: Final answer
    x = 68,566.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.