Home / 74,917.83-103,389.68-43,086.72

Finding the Fourth Proportional to 74,917.83, 103,389.68 and 43,086.72

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Solution

The fourth proportional to 74,917.83, 103,389.68 and 43,086.72 is: 59,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,917.83 : 103,389.68 = 43,086.72 : x
  2. Step 2: Convert to fraction form
    74,917.83/103,389.68 = 43,086.72/x
  3. Step 3: Cross multiply
    74,917.83x = 103,389.68 × 43,086.72
  4. Step 4: Simplify right side
    74,917.83x = 4,454,722,193.05
  5. Step 5: Solve for x
    x = 4,454,722,193.05/74,917.83
  6. Step 6: Final answer
    x = 59,461.44

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1.5x scale

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.