Home / 52,201.24-78,301.58-12,758.52

Finding the Fourth Proportional to 52,201.24, 78,301.58 and 12,758.52

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Solution

The fourth proportional to 52,201.24, 78,301.58 and 12,758.52 is: 19,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,201.24 : 78,301.58 = 12,758.52 : x
  2. Step 2: Convert to fraction form
    52,201.24/78,301.58 = 12,758.52/x
  3. Step 3: Cross multiply
    52,201.24x = 78,301.58 × 12,758.52
  4. Step 4: Simplify right side
    52,201.24x = 999,012,274.46
  5. Step 5: Solve for x
    x = 999,012,274.46/52,201.24
  6. Step 6: Final answer
    x = 19,137.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.