Home / 77,555.08-116,355.96-27,628.66

Finding the Fourth Proportional to 77,555.08, 116,355.96 and 27,628.66

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Solution

The fourth proportional to 77,555.08, 116,355.96 and 27,628.66 is: 41,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,555.08 : 116,355.96 = 27,628.66 : x
  2. Step 2: Convert to fraction form
    77,555.08/116,355.96 = 27,628.66/x
  3. Step 3: Cross multiply
    77,555.08x = 116,355.96 × 27,628.66
  4. Step 4: Simplify right side
    77,555.08x = 3,214,759,257.81
  5. Step 5: Solve for x
    x = 3,214,759,257.81/77,555.08
  6. Step 6: Final answer
    x = 41,451.30

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1.5x scale

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.