Home / 106,226.78-159,303.02-31,327.04

Finding the Fourth Proportional to 106,226.78, 159,303.02 and 31,327.04

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Solution

The fourth proportional to 106,226.78, 159,303.02 and 31,327.04 is: 46,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,226.78 : 159,303.02 = 31,327.04 : x
  2. Step 2: Convert to fraction form
    106,226.78/159,303.02 = 31,327.04/x
  3. Step 3: Cross multiply
    106,226.78x = 159,303.02 × 31,327.04
  4. Step 4: Simplify right side
    106,226.78x = 4,990,492,079.66
  5. Step 5: Solve for x
    x = 4,990,492,079.66/106,226.78
  6. Step 6: Final answer
    x = 46,979.60

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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.