Home / 108,349.53-162,554.20-45,199.34

Finding the Fourth Proportional to 108,349.53, 162,554.20 and 45,199.34

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Solution

The fourth proportional to 108,349.53, 162,554.20 and 45,199.34 is: 67,811.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,349.53 : 162,554.20 = 45,199.34 : x
  2. Step 2: Convert to fraction form
    108,349.53/162,554.20 = 45,199.34/x
  3. Step 3: Cross multiply
    108,349.53x = 162,554.20 × 45,199.34
  4. Step 4: Simplify right side
    108,349.53x = 7,347,341,628.46
  5. Step 5: Solve for x
    x = 7,347,341,628.46/108,349.53
  6. Step 6: Final answer
    x = 67,811.48

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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.