Home / 108,585.30-162,834.20-45,364

Finding the Fourth Proportional to 108,585.30, 162,834.20 and 45,364

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Solution

The fourth proportional to 108,585.30, 162,834.20 and 45,364 is: 68,027.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,585.30 : 162,834.20 = 45,364 : x
  2. Step 2: Convert to fraction form
    108,585.30/162,834.20 = 45,364/x
  3. Step 3: Cross multiply
    108,585.30x = 162,834.20 × 45,364
  4. Step 4: Simplify right side
    108,585.30x = 7,386,810,648.80
  5. Step 5: Solve for x
    x = 7,386,810,648.80/108,585.30
  6. Step 6: Final answer
    x = 68,027.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.