Home / 101,247.39-139,722.74-55,925.26

Finding the Fourth Proportional to 101,247.39, 139,722.74 and 55,925.26

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Solution

The fourth proportional to 101,247.39, 139,722.74 and 55,925.26 is: 77,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,247.39 : 139,722.74 = 55,925.26 : x
  2. Step 2: Convert to fraction form
    101,247.39/139,722.74 = 55,925.26/x
  3. Step 3: Cross multiply
    101,247.39x = 139,722.74 × 55,925.26
  4. Step 4: Simplify right side
    101,247.39x = 7,814,030,352.92
  5. Step 5: Solve for x
    x = 7,814,030,352.92/101,247.39
  6. Step 6: Final answer
    x = 77,177.60

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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.