Home / 78,045.60-117,071.67-24,736.41

Finding the Fourth Proportional to 78,045.60, 117,071.67 and 24,736.41

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Solution

The fourth proportional to 78,045.60, 117,071.67 and 24,736.41 is: 37,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,045.60 : 117,071.67 = 24,736.41 : x
  2. Step 2: Convert to fraction form
    78,045.60/117,071.67 = 24,736.41/x
  3. Step 3: Cross multiply
    78,045.60x = 117,071.67 × 24,736.41
  4. Step 4: Simplify right side
    78,045.60x = 2,895,932,704.82
  5. Step 5: Solve for x
    x = 2,895,932,704.82/78,045.60
  6. Step 6: Final answer
    x = 37,105.65

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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.