Home / 43,180.38-64,763.28-15,099.30

Finding the Fourth Proportional to 43,180.38, 64,763.28 and 15,099.30

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Solution

The fourth proportional to 43,180.38, 64,763.28 and 15,099.30 is: 22,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,180.38 : 64,763.28 = 15,099.30 : x
  2. Step 2: Convert to fraction form
    43,180.38/64,763.28 = 15,099.30/x
  3. Step 3: Cross multiply
    43,180.38x = 64,763.28 × 15,099.30
  4. Step 4: Simplify right side
    43,180.38x = 977,880,193.70
  5. Step 5: Solve for x
    x = 977,880,193.70/43,180.38
  6. Step 6: Final answer
    x = 22,646.40

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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.