Home / 78,927.98-118,391.97-32,172.62

Finding the Fourth Proportional to 78,927.98, 118,391.97 and 32,172.62

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Solution

The fourth proportional to 78,927.98, 118,391.97 and 32,172.62 is: 48,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,927.98 : 118,391.97 = 32,172.62 : x
  2. Step 2: Convert to fraction form
    78,927.98/118,391.97 = 32,172.62/x
  3. Step 3: Cross multiply
    78,927.98x = 118,391.97 × 32,172.62
  4. Step 4: Simplify right side
    78,927.98x = 3,808,979,861.86
  5. Step 5: Solve for x
    x = 3,808,979,861.86/78,927.98
  6. Step 6: Final answer
    x = 48,258.93

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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.