Home / 84,137.67-116,112.18-45,897.87

Finding the Fourth Proportional to 84,137.67, 116,112.18 and 45,897.87

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Solution

The fourth proportional to 84,137.67, 116,112.18 and 45,897.87 is: 63,340.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,137.67 : 116,112.18 = 45,897.87 : x
  2. Step 2: Convert to fraction form
    84,137.67/116,112.18 = 45,897.87/x
  3. Step 3: Cross multiply
    84,137.67x = 116,112.18 × 45,897.87
  4. Step 4: Simplify right side
    84,137.67x = 5,329,301,743.06
  5. Step 5: Solve for x
    x = 5,329,301,743.06/84,137.67
  6. Step 6: Final answer
    x = 63,340.26

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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.