Home / 74,819.08-103,260.18-52,143.40

Finding the Fourth Proportional to 74,819.08, 103,260.18 and 52,143.40

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Solution

The fourth proportional to 74,819.08, 103,260.18 and 52,143.40 is: 71,964.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,819.08 : 103,260.18 = 52,143.40 : x
  2. Step 2: Convert to fraction form
    74,819.08/103,260.18 = 52,143.40/x
  3. Step 3: Cross multiply
    74,819.08x = 103,260.18 × 52,143.40
  4. Step 4: Simplify right side
    74,819.08x = 5,384,336,869.81
  5. Step 5: Solve for x
    x = 5,384,336,869.81/74,819.08
  6. Step 6: Final answer
    x = 71,964.76

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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.