Home / 117,025.66-161,495.19-63,310.72

Finding the Fourth Proportional to 117,025.66, 161,495.19 and 63,310.72

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Solution

The fourth proportional to 117,025.66, 161,495.19 and 63,310.72 is: 87,368.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,025.66 : 161,495.19 = 63,310.72 : x
  2. Step 2: Convert to fraction form
    117,025.66/161,495.19 = 63,310.72/x
  3. Step 3: Cross multiply
    117,025.66x = 161,495.19 × 63,310.72
  4. Step 4: Simplify right side
    117,025.66x = 10,224,376,755.44
  5. Step 5: Solve for x
    x = 10,224,376,755.44/117,025.66
  6. Step 6: Final answer
    x = 87,368.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.