Home / 108,615.08-162,922.75-45,400.62

Finding the Fourth Proportional to 108,615.08, 162,922.75 and 45,400.62

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Solution

The fourth proportional to 108,615.08, 162,922.75 and 45,400.62 is: 68,100.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,615.08 : 162,922.75 = 45,400.62 : x
  2. Step 2: Convert to fraction form
    108,615.08/162,922.75 = 45,400.62/x
  3. Step 3: Cross multiply
    108,615.08x = 162,922.75 × 45,400.62
  4. Step 4: Simplify right side
    108,615.08x = 7,396,793,307.90
  5. Step 5: Solve for x
    x = 7,396,793,307.90/108,615.08
  6. Step 6: Final answer
    x = 68,100.98

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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.