Home / 75,632.34-104,372.64-41,640.96

Finding the Fourth Proportional to 75,632.34, 104,372.64 and 41,640.96

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Solution

The fourth proportional to 75,632.34, 104,372.64 and 41,640.96 is: 57,464.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,632.34 : 104,372.64 = 41,640.96 : x
  2. Step 2: Convert to fraction form
    75,632.34/104,372.64 = 41,640.96/x
  3. Step 3: Cross multiply
    75,632.34x = 104,372.64 × 41,640.96
  4. Step 4: Simplify right side
    75,632.34x = 4,346,176,927.33
  5. Step 5: Solve for x
    x = 4,346,176,927.33/75,632.34
  6. Step 6: Final answer
    x = 57,464.53

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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.