Home / 85,682.38-128,606.60-41,340.24

Finding the Fourth Proportional to 85,682.38, 128,606.60 and 41,340.24

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Solution

The fourth proportional to 85,682.38, 128,606.60 and 41,340.24 is: 62,050.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,682.38 : 128,606.60 = 41,340.24 : x
  2. Step 2: Convert to fraction form
    85,682.38/128,606.60 = 41,340.24/x
  3. Step 3: Cross multiply
    85,682.38x = 128,606.60 × 41,340.24
  4. Step 4: Simplify right side
    85,682.38x = 5,316,627,709.58
  5. Step 5: Solve for x
    x = 5,316,627,709.58/85,682.38
  6. Step 6: Final answer
    x = 62,050.42

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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.