Home / 108,575.10-162,814.05-49,380.30

Finding the Fourth Proportional to 108,575.10, 162,814.05 and 49,380.30

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Solution

The fourth proportional to 108,575.10, 162,814.05 and 49,380.30 is: 74,048.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,575.10 : 162,814.05 = 49,380.30 : x
  2. Step 2: Convert to fraction form
    108,575.10/162,814.05 = 49,380.30/x
  3. Step 3: Cross multiply
    108,575.10x = 162,814.05 × 49,380.30
  4. Step 4: Simplify right side
    108,575.10x = 8,039,806,633.22
  5. Step 5: Solve for x
    x = 8,039,806,633.22/108,575.10
  6. Step 6: Final answer
    x = 74,048.35

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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.