Home / 86,467.75-129,705.60-26,491.93

Finding the Fourth Proportional to 86,467.75, 129,705.60 and 26,491.93

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Solution

The fourth proportional to 86,467.75, 129,705.60 and 26,491.93 is: 39,739.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,467.75 : 129,705.60 = 26,491.93 : x
  2. Step 2: Convert to fraction form
    86,467.75/129,705.60 = 26,491.93/x
  3. Step 3: Cross multiply
    86,467.75x = 129,705.60 × 26,491.93
  4. Step 4: Simplify right side
    86,467.75x = 3,436,151,937.28
  5. Step 5: Solve for x
    x = 3,436,151,937.28/86,467.75
  6. Step 6: Final answer
    x = 39,739.12

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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.