Home / 82,904.50-114,408.21-45,178.75

Finding the Fourth Proportional to 82,904.50, 114,408.21 and 45,178.75

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Solution

The fourth proportional to 82,904.50, 114,408.21 and 45,178.75 is: 62,346.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,904.50 : 114,408.21 = 45,178.75 : x
  2. Step 2: Convert to fraction form
    82,904.50/114,408.21 = 45,178.75/x
  3. Step 3: Cross multiply
    82,904.50x = 114,408.21 × 45,178.75
  4. Step 4: Simplify right side
    82,904.50x = 5,168,819,917.54
  5. Step 5: Solve for x
    x = 5,168,819,917.54/82,904.50
  6. Step 6: Final answer
    x = 62,346.68

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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.