Home / 58,257.18-87,197.83-30,138.52

Finding the Fourth Proportional to 58,257.18, 87,197.83 and 30,138.52

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Solution

The fourth proportional to 58,257.18, 87,197.83 and 30,138.52 is: 45,110.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,257.18 : 87,197.83 = 30,138.52 : x
  2. Step 2: Convert to fraction form
    58,257.18/87,197.83 = 30,138.52/x
  3. Step 3: Cross multiply
    58,257.18x = 87,197.83 × 30,138.52
  4. Step 4: Simplify right side
    58,257.18x = 2,628,013,250.07
  5. Step 5: Solve for x
    x = 2,628,013,250.07/58,257.18
  6. Step 6: Final answer
    x = 45,110.54

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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.