Home / 75,612.05-104,345-41,623.94

Finding the Fourth Proportional to 75,612.05, 104,345 and 41,623.94

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Solution

The fourth proportional to 75,612.05, 104,345 and 41,623.94 is: 57,441.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,612.05 : 104,345 = 41,623.94 : x
  2. Step 2: Convert to fraction form
    75,612.05/104,345 = 41,623.94/x
  3. Step 3: Cross multiply
    75,612.05x = 104,345 × 41,623.94
  4. Step 4: Simplify right side
    75,612.05x = 4,343,250,019.30
  5. Step 5: Solve for x
    x = 4,343,250,019.30/75,612.05
  6. Step 6: Final answer
    x = 57,441.24

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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.