Home / 74,035.91-102,169.22-40,044.32

Finding the Fourth Proportional to 74,035.91, 102,169.22 and 40,044.32

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Solution

The fourth proportional to 74,035.91, 102,169.22 and 40,044.32 is: 55,260.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,035.91 : 102,169.22 = 40,044.32 : x
  2. Step 2: Convert to fraction form
    74,035.91/102,169.22 = 40,044.32/x
  3. Step 3: Cross multiply
    74,035.91x = 102,169.22 × 40,044.32
  4. Step 4: Simplify right side
    74,035.91x = 4,091,296,853.99
  5. Step 5: Solve for x
    x = 4,091,296,853.99/74,035.91
  6. Step 6: Final answer
    x = 55,260.98

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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.