Home / 85,467.00-128,246.39-35,581.53

Finding the Fourth Proportional to 85,467.00, 128,246.39 and 35,581.53

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Solution

The fourth proportional to 85,467.00, 128,246.39 and 35,581.53 is: 53,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,467.00 : 128,246.39 = 35,581.53 : x
  2. Step 2: Convert to fraction form
    85,467.00/128,246.39 = 35,581.53/x
  3. Step 3: Cross multiply
    85,467.00x = 128,246.39 × 35,581.53
  4. Step 4: Simplify right side
    85,467.00x = 4,563,202,220.90
  5. Step 5: Solve for x
    x = 4,563,202,220.90/85,467.00
  6. Step 6: Final answer
    x = 53,391.40

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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.