Home / 75,861.33-104,688.57-42,327.33

Finding the Fourth Proportional to 75,861.33, 104,688.57 and 42,327.33

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Solution

The fourth proportional to 75,861.33, 104,688.57 and 42,327.33 is: 58,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,861.33 : 104,688.57 = 42,327.33 : x
  2. Step 2: Convert to fraction form
    75,861.33/104,688.57 = 42,327.33/x
  3. Step 3: Cross multiply
    75,861.33x = 104,688.57 × 42,327.33
  4. Step 4: Simplify right side
    75,861.33x = 4,431,187,649.62
  5. Step 5: Solve for x
    x = 4,431,187,649.62/75,861.33
  6. Step 6: Final answer
    x = 58,411.68

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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.