Home / 86,072.08-128,991.36-41,610.28

Finding the Fourth Proportional to 86,072.08, 128,991.36 and 41,610.28

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Solution

The fourth proportional to 86,072.08, 128,991.36 and 41,610.28 is: 62,358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,072.08 : 128,991.36 = 41,610.28 : x
  2. Step 2: Convert to fraction form
    86,072.08/128,991.36 = 41,610.28/x
  3. Step 3: Cross multiply
    86,072.08x = 128,991.36 × 41,610.28
  4. Step 4: Simplify right side
    86,072.08x = 5,367,366,607.18
  5. Step 5: Solve for x
    x = 5,367,366,607.18/86,072.08
  6. Step 6: Final answer
    x = 62,358.97

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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.