Home / 108,622.55-162,925.73-45,426.35

Finding the Fourth Proportional to 108,622.55, 162,925.73 and 45,426.35

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Solution

The fourth proportional to 108,622.55, 162,925.73 and 45,426.35 is: 68,136.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,622.55 : 162,925.73 = 45,426.35 : x
  2. Step 2: Convert to fraction form
    108,622.55/162,925.73 = 45,426.35/x
  3. Step 3: Cross multiply
    108,622.55x = 162,925.73 × 45,426.35
  4. Step 4: Simplify right side
    108,622.55x = 7,401,121,007.85
  5. Step 5: Solve for x
    x = 7,401,121,007.85/108,622.55
  6. Step 6: Final answer
    x = 68,136.14

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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.