Home / 86,059.74-128,997.31-41,625.36

Finding the Fourth Proportional to 86,059.74, 128,997.31 and 41,625.36

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Solution

The fourth proportional to 86,059.74, 128,997.31 and 41,625.36 is: 62,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,059.74 : 128,997.31 = 41,625.36 : x
  2. Step 2: Convert to fraction form
    86,059.74/128,997.31 = 41,625.36/x
  3. Step 3: Cross multiply
    86,059.74x = 128,997.31 × 41,625.36
  4. Step 4: Simplify right side
    86,059.74x = 5,369,559,467.78
  5. Step 5: Solve for x
    x = 5,369,559,467.78/86,059.74
  6. Step 6: Final answer
    x = 62,393.40

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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.