Home / 125,884.08-173,714.85-72,131.67

Finding the Fourth Proportional to 125,884.08, 173,714.85 and 72,131.67

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Solution

The fourth proportional to 125,884.08, 173,714.85 and 72,131.67 is: 99,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,884.08 : 173,714.85 = 72,131.67 : x
  2. Step 2: Convert to fraction form
    125,884.08/173,714.85 = 72,131.67/x
  3. Step 3: Cross multiply
    125,884.08x = 173,714.85 × 72,131.67
  4. Step 4: Simplify right side
    125,884.08x = 12,530,342,234.30
  5. Step 5: Solve for x
    x = 12,530,342,234.30/125,884.08
  6. Step 6: Final answer
    x = 99,538.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.