Home / 57,371.48-79,150.53-42,299.91

Finding the Fourth Proportional to 57,371.48, 79,150.53 and 42,299.91

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Solution

The fourth proportional to 57,371.48, 79,150.53 and 42,299.91 is: 58,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,371.48 : 79,150.53 = 42,299.91 : x
  2. Step 2: Convert to fraction form
    57,371.48/79,150.53 = 42,299.91/x
  3. Step 3: Cross multiply
    57,371.48x = 79,150.53 × 42,299.91
  4. Step 4: Simplify right side
    57,371.48x = 3,348,060,295.45
  5. Step 5: Solve for x
    x = 3,348,060,295.45/57,371.48
  6. Step 6: Final answer
    x = 58,357.57

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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.