Home / 108,370.16-162,485.99-52,098.30

Finding the Fourth Proportional to 108,370.16, 162,485.99 and 52,098.30

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Solution

The fourth proportional to 108,370.16, 162,485.99 and 52,098.30 is: 78,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,370.16 : 162,485.99 = 52,098.30 : x
  2. Step 2: Convert to fraction form
    108,370.16/162,485.99 = 52,098.30/x
  3. Step 3: Cross multiply
    108,370.16x = 162,485.99 × 52,098.30
  4. Step 4: Simplify right side
    108,370.16x = 8,465,243,040.39
  5. Step 5: Solve for x
    x = 8,465,243,040.39/108,370.16
  6. Step 6: Final answer
    x = 78,114.15

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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.