Home / 86,000.44-129,001.38-23,674.36

Finding the Fourth Proportional to 86,000.44, 129,001.38 and 23,674.36

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Solution

The fourth proportional to 86,000.44, 129,001.38 and 23,674.36 is: 35,511.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,000.44 : 129,001.38 = 23,674.36 : x
  2. Step 2: Convert to fraction form
    86,000.44/129,001.38 = 23,674.36/x
  3. Step 3: Cross multiply
    86,000.44x = 129,001.38 × 23,674.36
  4. Step 4: Simplify right side
    86,000.44x = 3,054,025,110.62
  5. Step 5: Solve for x
    x = 3,054,025,110.62/86,000.44
  6. Step 6: Final answer
    x = 35,511.74

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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.