Home / 74,550.88-102,887.76-42,724

Finding the Fourth Proportional to 74,550.88, 102,887.76 and 42,724

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Solution

The fourth proportional to 74,550.88, 102,887.76 and 42,724 is: 58,963.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,550.88 : 102,887.76 = 42,724 : x
  2. Step 2: Convert to fraction form
    74,550.88/102,887.76 = 42,724/x
  3. Step 3: Cross multiply
    74,550.88x = 102,887.76 × 42,724
  4. Step 4: Simplify right side
    74,550.88x = 4,395,776,658.24
  5. Step 5: Solve for x
    x = 4,395,776,658.24/74,550.88
  6. Step 6: Final answer
    x = 58,963.44

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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.