Home / 100,944.08-139,300.98-55,626.27

Finding the Fourth Proportional to 100,944.08, 139,300.98 and 55,626.27

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Solution

The fourth proportional to 100,944.08, 139,300.98 and 55,626.27 is: 76,763.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,944.08 : 139,300.98 = 55,626.27 : x
  2. Step 2: Convert to fraction form
    100,944.08/139,300.98 = 55,626.27/x
  3. Step 3: Cross multiply
    100,944.08x = 139,300.98 × 55,626.27
  4. Step 4: Simplify right side
    100,944.08x = 7,748,793,924.74
  5. Step 5: Solve for x
    x = 7,748,793,924.74/100,944.08
  6. Step 6: Final answer
    x = 76,763.24

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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.