Home / 101,370.87-139,901.97-56,052.27

Finding the Fourth Proportional to 101,370.87, 139,901.97 and 56,052.27

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Solution

The fourth proportional to 101,370.87, 139,901.97 and 56,052.27 is: 77,357.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,370.87 : 139,901.97 = 56,052.27 : x
  2. Step 2: Convert to fraction form
    101,370.87/139,901.97 = 56,052.27/x
  3. Step 3: Cross multiply
    101,370.87x = 139,901.97 × 56,052.27
  4. Step 4: Simplify right side
    101,370.87x = 7,841,822,995.97
  5. Step 5: Solve for x
    x = 7,841,822,995.97/101,370.87
  6. Step 6: Final answer
    x = 77,357.76

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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.