Home / 108,635.10-163,025.55-49,440.30

Finding the Fourth Proportional to 108,635.10, 163,025.55 and 49,440.30

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Solution

The fourth proportional to 108,635.10, 163,025.55 and 49,440.30 is: 74,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,635.10 : 163,025.55 = 49,440.30 : x
  2. Step 2: Convert to fraction form
    108,635.10/163,025.55 = 49,440.30/x
  3. Step 3: Cross multiply
    108,635.10x = 163,025.55 × 49,440.30
  4. Step 4: Simplify right side
    108,635.10x = 8,060,032,099.67
  5. Step 5: Solve for x
    x = 8,060,032,099.67/108,635.10
  6. Step 6: Final answer
    x = 74,193.63

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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.