Home / 109,563.74-164,343.55-34,688.38

Finding the Fourth Proportional to 109,563.74, 164,343.55 and 34,688.38

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Solution

The fourth proportional to 109,563.74, 164,343.55 and 34,688.38 is: 52,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,563.74 : 164,343.55 = 34,688.38 : x
  2. Step 2: Convert to fraction form
    109,563.74/164,343.55 = 34,688.38/x
  3. Step 3: Cross multiply
    109,563.74x = 164,343.55 × 34,688.38
  4. Step 4: Simplify right side
    109,563.74x = 5,700,810,517.79
  5. Step 5: Solve for x
    x = 5,700,810,517.79/109,563.74
  6. Step 6: Final answer
    x = 52,031.91

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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.