Home / 108,427.40-162,560.76-51,473.12

Finding the Fourth Proportional to 108,427.40, 162,560.76 and 51,473.12

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Solution

The fourth proportional to 108,427.40, 162,560.76 and 51,473.12 is: 77,171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,427.40 : 162,560.76 = 51,473.12 : x
  2. Step 2: Convert to fraction form
    108,427.40/162,560.76 = 51,473.12/x
  3. Step 3: Cross multiply
    108,427.40x = 162,560.76 × 51,473.12
  4. Step 4: Simplify right side
    108,427.40x = 8,367,509,506.77
  5. Step 5: Solve for x
    x = 8,367,509,506.77/108,427.40
  6. Step 6: Final answer
    x = 77,171.54

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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.