Home / 108,098.72-162,009.84-45,683.36

Finding the Fourth Proportional to 108,098.72, 162,009.84 and 45,683.36

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Solution

The fourth proportional to 108,098.72, 162,009.84 and 45,683.36 is: 68,466.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,098.72 : 162,009.84 = 45,683.36 : x
  2. Step 2: Convert to fraction form
    108,098.72/162,009.84 = 45,683.36/x
  3. Step 3: Cross multiply
    108,098.72x = 162,009.84 × 45,683.36
  4. Step 4: Simplify right side
    108,098.72x = 7,401,153,844.26
  5. Step 5: Solve for x
    x = 7,401,153,844.26/108,098.72
  6. Step 6: Final answer
    x = 68,466.62

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1.5x scale

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.