Home / 58,745.20-81,068.44-31,887.68

Finding the Fourth Proportional to 58,745.20, 81,068.44 and 31,887.68

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Solution

The fourth proportional to 58,745.20, 81,068.44 and 31,887.68 is: 44,005.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,745.20 : 81,068.44 = 31,887.68 : x
  2. Step 2: Convert to fraction form
    58,745.20/81,068.44 = 31,887.68/x
  3. Step 3: Cross multiply
    58,745.20x = 81,068.44 × 31,887.68
  4. Step 4: Simplify right side
    58,745.20x = 2,585,084,472.82
  5. Step 5: Solve for x
    x = 2,585,084,472.82/58,745.20
  6. Step 6: Final answer
    x = 44,005.03

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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.