Home / 57,835.13-86,266.53-52,519.91

Finding the Fourth Proportional to 57,835.13, 86,266.53 and 52,519.91

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Solution

The fourth proportional to 57,835.13, 86,266.53 and 52,519.91 is: 78,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,835.13 : 86,266.53 = 52,519.91 : x
  2. Step 2: Convert to fraction form
    57,835.13/86,266.53 = 52,519.91/x
  3. Step 3: Cross multiply
    57,835.13x = 86,266.53 × 52,519.91
  4. Step 4: Simplify right side
    57,835.13x = 4,530,709,960.28
  5. Step 5: Solve for x
    x = 4,530,709,960.28/57,835.13
  6. Step 6: Final answer
    x = 78,338.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.