Home / 108,386.98-162,632.31-38,299.30

Finding the Fourth Proportional to 108,386.98, 162,632.31 and 38,299.30

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Solution

The fourth proportional to 108,386.98, 162,632.31 and 38,299.30 is: 57,467.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,386.98 : 162,632.31 = 38,299.30 : x
  2. Step 2: Convert to fraction form
    108,386.98/162,632.31 = 38,299.30/x
  3. Step 3: Cross multiply
    108,386.98x = 162,632.31 × 38,299.30
  4. Step 4: Simplify right side
    108,386.98x = 6,228,703,630.38
  5. Step 5: Solve for x
    x = 6,228,703,630.38/108,386.98
  6. Step 6: Final answer
    x = 57,467.27

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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.