Home / 117,679.42-176,518.32-47,557.72

Finding the Fourth Proportional to 117,679.42, 176,518.32 and 47,557.72

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Solution

The fourth proportional to 117,679.42, 176,518.32 and 47,557.72 is: 71,336.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,679.42 : 176,518.32 = 47,557.72 : x
  2. Step 2: Convert to fraction form
    117,679.42/176,518.32 = 47,557.72/x
  3. Step 3: Cross multiply
    117,679.42x = 176,518.32 × 47,557.72
  4. Step 4: Simplify right side
    117,679.42x = 8,394,808,837.43
  5. Step 5: Solve for x
    x = 8,394,808,837.43/117,679.42
  6. Step 6: Final answer
    x = 71,336.25

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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.