Home / 57,363.21-86,066.88-27,778.77

Finding the Fourth Proportional to 57,363.21, 86,066.88 and 27,778.77

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Solution

The fourth proportional to 57,363.21, 86,066.88 and 27,778.77 is: 41,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,363.21 : 86,066.88 = 27,778.77 : x
  2. Step 2: Convert to fraction form
    57,363.21/86,066.88 = 27,778.77/x
  3. Step 3: Cross multiply
    57,363.21x = 86,066.88 × 27,778.77
  4. Step 4: Simplify right side
    57,363.21x = 2,390,832,064.14
  5. Step 5: Solve for x
    x = 2,390,832,064.14/57,363.21
  6. Step 6: Final answer
    x = 41,678.84

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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.