Home / 109,719.28-164,626.46-38,692.67

Finding the Fourth Proportional to 109,719.28, 164,626.46 and 38,692.67

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Solution

The fourth proportional to 109,719.28, 164,626.46 and 38,692.67 is: 58,055.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,719.28 : 164,626.46 = 38,692.67 : x
  2. Step 2: Convert to fraction form
    109,719.28/164,626.46 = 38,692.67/x
  3. Step 3: Cross multiply
    109,719.28x = 164,626.46 × 38,692.67
  4. Step 4: Simplify right side
    109,719.28x = 6,369,837,160.55
  5. Step 5: Solve for x
    x = 6,369,837,160.55/109,719.28
  6. Step 6: Final answer
    x = 58,055.77

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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.