Home / 114,943.37-172,408.02-42,882.39

Finding the Fourth Proportional to 114,943.37, 172,408.02 and 42,882.39

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Solution

The fourth proportional to 114,943.37, 172,408.02 and 42,882.39 is: 64,320.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,943.37 : 172,408.02 = 42,882.39 : x
  2. Step 2: Convert to fraction form
    114,943.37/172,408.02 = 42,882.39/x
  3. Step 3: Cross multiply
    114,943.37x = 172,408.02 × 42,882.39
  4. Step 4: Simplify right side
    114,943.37x = 7,393,267,952.77
  5. Step 5: Solve for x
    x = 7,393,267,952.77/114,943.37
  6. Step 6: Final answer
    x = 64,320.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.