Home / 55,558.68-76,670.39-30,064.49

Finding the Fourth Proportional to 55,558.68, 76,670.39 and 30,064.49

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Solution

The fourth proportional to 55,558.68, 76,670.39 and 30,064.49 is: 41,488.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558.68 : 76,670.39 = 30,064.49 : x
  2. Step 2: Convert to fraction form
    55,558.68/76,670.39 = 30,064.49/x
  3. Step 3: Cross multiply
    55,558.68x = 76,670.39 × 30,064.49
  4. Step 4: Simplify right side
    55,558.68x = 2,305,055,790.10
  5. Step 5: Solve for x
    x = 2,305,055,790.10/55,558.68
  6. Step 6: Final answer
    x = 41,488.67

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1.5x scale

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.