Home / 86,127.23-129,190.85-26,967.53

Finding the Fourth Proportional to 86,127.23, 129,190.85 and 26,967.53

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Solution

The fourth proportional to 86,127.23, 129,190.85 and 26,967.53 is: 40,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,127.23 : 129,190.85 = 26,967.53 : x
  2. Step 2: Convert to fraction form
    86,127.23/129,190.85 = 26,967.53/x
  3. Step 3: Cross multiply
    86,127.23x = 129,190.85 × 26,967.53
  4. Step 4: Simplify right side
    86,127.23x = 3,483,958,412.37
  5. Step 5: Solve for x
    x = 3,483,958,412.37/86,127.23
  6. Step 6: Final answer
    x = 40,451.30

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Similar ratio
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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.