Home / 102,624.10-153,608.10-73,099.60

Finding the Fourth Proportional to 102,624.10, 153,608.10 and 73,099.60

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Solution

The fourth proportional to 102,624.10, 153,608.10 and 73,099.60 is: 109,415.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,624.10 : 153,608.10 = 73,099.60 : x
  2. Step 2: Convert to fraction form
    102,624.10/153,608.10 = 73,099.60/x
  3. Step 3: Cross multiply
    102,624.10x = 153,608.10 × 73,099.60
  4. Step 4: Simplify right side
    102,624.10x = 11,228,690,666.76
  5. Step 5: Solve for x
    x = 11,228,690,666.76/102,624.10
  6. Step 6: Final answer
    x = 109,415.73

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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.