Home / 104,664.80-156,968.40-42,341.60

Finding the Fourth Proportional to 104,664.80, 156,968.40 and 42,341.60

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Solution

The fourth proportional to 104,664.80, 156,968.40 and 42,341.60 is: 63,500.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,664.80 : 156,968.40 = 42,341.60 : x
  2. Step 2: Convert to fraction form
    104,664.80/156,968.40 = 42,341.60/x
  3. Step 3: Cross multiply
    104,664.80x = 156,968.40 × 42,341.60
  4. Step 4: Simplify right side
    104,664.80x = 6,646,293,205.44
  5. Step 5: Solve for x
    x = 6,646,293,205.44/104,664.80
  6. Step 6: Final answer
    x = 63,500.75

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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.