Home / 86,226.31-129,344.93-27,064.32

Finding the Fourth Proportional to 86,226.31, 129,344.93 and 27,064.32

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Solution

The fourth proportional to 86,226.31, 129,344.93 and 27,064.32 is: 40,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,226.31 : 129,344.93 = 27,064.32 : x
  2. Step 2: Convert to fraction form
    86,226.31/129,344.93 = 27,064.32/x
  3. Step 3: Cross multiply
    86,226.31x = 129,344.93 × 27,064.32
  4. Step 4: Simplify right side
    86,226.31x = 3,500,632,575.90
  5. Step 5: Solve for x
    x = 3,500,632,575.90/86,226.31
  6. Step 6: Final answer
    x = 40,598.20

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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.