Home / 108,465.13-162,802.90-52,344.73

Finding the Fourth Proportional to 108,465.13, 162,802.90 and 52,344.73

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Solution

The fourth proportional to 108,465.13, 162,802.90 and 52,344.73 is: 78,567.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,465.13 : 162,802.90 = 52,344.73 : x
  2. Step 2: Convert to fraction form
    108,465.13/162,802.90 = 52,344.73/x
  3. Step 3: Cross multiply
    108,465.13x = 162,802.90 × 52,344.73
  4. Step 4: Simplify right side
    108,465.13x = 8,521,873,843.72
  5. Step 5: Solve for x
    x = 8,521,873,843.72/108,465.13
  6. Step 6: Final answer
    x = 78,567.87

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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.