Home / 85,371.59-128,076.42-26,213.24

Finding the Fourth Proportional to 85,371.59, 128,076.42 and 26,213.24

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Solution

The fourth proportional to 85,371.59, 128,076.42 and 26,213.24 is: 39,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,371.59 : 128,076.42 = 26,213.24 : x
  2. Step 2: Convert to fraction form
    85,371.59/128,076.42 = 26,213.24/x
  3. Step 3: Cross multiply
    85,371.59x = 128,076.42 × 26,213.24
  4. Step 4: Simplify right side
    85,371.59x = 3,357,297,295.42
  5. Step 5: Solve for x
    x = 3,357,297,295.42/85,371.59
  6. Step 6: Final answer
    x = 39,325.70

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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.