Home / 85,126.18-117,472.74-46,889.37

Finding the Fourth Proportional to 85,126.18, 117,472.74 and 46,889.37

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Solution

The fourth proportional to 85,126.18, 117,472.74 and 46,889.37 is: 64,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,126.18 : 117,472.74 = 46,889.37 : x
  2. Step 2: Convert to fraction form
    85,126.18/117,472.74 = 46,889.37/x
  3. Step 3: Cross multiply
    85,126.18x = 117,472.74 × 46,889.37
  4. Step 4: Simplify right side
    85,126.18x = 5,508,222,770.77
  5. Step 5: Solve for x
    x = 5,508,222,770.77/85,126.18
  6. Step 6: Final answer
    x = 64,706.57

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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.