Home / 82,995.18-114,543.05-47,190.57

Finding the Fourth Proportional to 82,995.18, 114,543.05 and 47,190.57

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Solution

The fourth proportional to 82,995.18, 114,543.05 and 47,190.57 is: 65,128.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,995.18 : 114,543.05 = 47,190.57 : x
  2. Step 2: Convert to fraction form
    82,995.18/114,543.05 = 47,190.57/x
  3. Step 3: Cross multiply
    82,995.18x = 114,543.05 × 47,190.57
  4. Step 4: Simplify right side
    82,995.18x = 5,405,351,583.09
  5. Step 5: Solve for x
    x = 5,405,351,583.09/82,995.18
  6. Step 6: Final answer
    x = 65,128.50

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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.