Home / 109,685.00-164,579.74-76,002.96

Finding the Fourth Proportional to 109,685.00, 164,579.74 and 76,002.96

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Solution

The fourth proportional to 109,685.00, 164,579.74 and 76,002.96 is: 114,040.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,685.00 : 164,579.74 = 76,002.96 : x
  2. Step 2: Convert to fraction form
    109,685.00/164,579.74 = 76,002.96/x
  3. Step 3: Cross multiply
    109,685.00x = 164,579.74 × 76,002.96
  4. Step 4: Simplify right side
    109,685.00x = 12,508,547,396.03
  5. Step 5: Solve for x
    x = 12,508,547,396.03/109,685.00
  6. Step 6: Final answer
    x = 114,040.64

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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.