Home / 77,018.08-115,503.60-32,644

Finding the Fourth Proportional to 77,018.08, 115,503.60 and 32,644

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Solution

The fourth proportional to 77,018.08, 115,503.60 and 32,644 is: 48,956.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,018.08 : 115,503.60 = 32,644 : x
  2. Step 2: Convert to fraction form
    77,018.08/115,503.60 = 32,644/x
  3. Step 3: Cross multiply
    77,018.08x = 115,503.60 × 32,644
  4. Step 4: Simplify right side
    77,018.08x = 3,770,499,518.40
  5. Step 5: Solve for x
    x = 3,770,499,518.40/77,018.08
  6. Step 6: Final answer
    x = 48,956.03

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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.