Home / 74,042.92-102,181.58-40,508.92

Finding the Fourth Proportional to 74,042.92, 102,181.58 and 40,508.92

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Solution

The fourth proportional to 74,042.92, 102,181.58 and 40,508.92 is: 55,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,042.92 : 102,181.58 = 40,508.92 : x
  2. Step 2: Convert to fraction form
    74,042.92/102,181.58 = 40,508.92/x
  3. Step 3: Cross multiply
    74,042.92x = 102,181.58 × 40,508.92
  4. Step 4: Simplify right side
    74,042.92x = 4,139,265,449.69
  5. Step 5: Solve for x
    x = 4,139,265,449.69/74,042.92
  6. Step 6: Final answer
    x = 55,903.60

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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.