Home / 101,151.74-139,589.26-55,829.81

Finding the Fourth Proportional to 101,151.74, 139,589.26 and 55,829.81

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Solution

The fourth proportional to 101,151.74, 139,589.26 and 55,829.81 is: 77,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,151.74 : 139,589.26 = 55,829.81 : x
  2. Step 2: Convert to fraction form
    101,151.74/139,589.26 = 55,829.81/x
  3. Step 3: Cross multiply
    101,151.74x = 139,589.26 × 55,829.81
  4. Step 4: Simplify right side
    101,151.74x = 7,793,242,073.24
  5. Step 5: Solve for x
    x = 7,793,242,073.24/101,151.74
  6. Step 6: Final answer
    x = 77,045.06

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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.