Home / 47,129.72-70,695.14-12,068.44

Finding the Fourth Proportional to 47,129.72, 70,695.14 and 12,068.44

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Solution

The fourth proportional to 47,129.72, 70,695.14 and 12,068.44 is: 18,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,129.72 : 70,695.14 = 12,068.44 : x
  2. Step 2: Convert to fraction form
    47,129.72/70,695.14 = 12,068.44/x
  3. Step 3: Cross multiply
    47,129.72x = 70,695.14 × 12,068.44
  4. Step 4: Simplify right side
    47,129.72x = 853,180,055.38
  5. Step 5: Solve for x
    x = 853,180,055.38/47,129.72
  6. Step 6: Final answer
    x = 18,102.80

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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.