Home / 58,257.37-87,198.11-30,138.71

Finding the Fourth Proportional to 58,257.37, 87,198.11 and 30,138.71

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Solution

The fourth proportional to 58,257.37, 87,198.11 and 30,138.71 is: 45,110.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,257.37 : 87,198.11 = 30,138.71 : x
  2. Step 2: Convert to fraction form
    58,257.37/87,198.11 = 30,138.71/x
  3. Step 3: Cross multiply
    58,257.37x = 87,198.11 × 30,138.71
  4. Step 4: Simplify right side
    58,257.37x = 2,628,038,076.17
  5. Step 5: Solve for x
    x = 2,628,038,076.17/58,257.37
  6. Step 6: Final answer
    x = 45,110.82

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1.5x scale

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.