Home / 108,611.36-162,780.96-58,689.44

Finding the Fourth Proportional to 108,611.36, 162,780.96 and 58,689.44

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Solution

The fourth proportional to 108,611.36, 162,780.96 and 58,689.44 is: 87,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,611.36 : 162,780.96 = 58,689.44 : x
  2. Step 2: Convert to fraction form
    108,611.36/162,780.96 = 58,689.44/x
  3. Step 3: Cross multiply
    108,611.36x = 162,780.96 × 58,689.44
  4. Step 4: Simplify right side
    108,611.36x = 9,553,523,385.06
  5. Step 5: Solve for x
    x = 9,553,523,385.06/108,611.36
  6. Step 6: Final answer
    x = 87,960.63

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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.