Home / 102,408.16-153,633.20-58,054.72

Finding the Fourth Proportional to 102,408.16, 153,633.20 and 58,054.72

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Solution

The fourth proportional to 102,408.16, 153,633.20 and 58,054.72 is: 87,093.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,408.16 : 153,633.20 = 58,054.72 : x
  2. Step 2: Convert to fraction form
    102,408.16/153,633.20 = 58,054.72/x
  3. Step 3: Cross multiply
    102,408.16x = 153,633.20 × 58,054.72
  4. Step 4: Simplify right side
    102,408.16x = 8,919,132,408.70
  5. Step 5: Solve for x
    x = 8,919,132,408.70/102,408.16
  6. Step 6: Final answer
    x = 87,093.96

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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.