Home / 79,531.02-119,198.04-40,066.60

Finding the Fourth Proportional to 79,531.02, 119,198.04 and 40,066.60

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Solution

The fourth proportional to 79,531.02, 119,198.04 and 40,066.60 is: 60,050.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,531.02 : 119,198.04 = 40,066.60 : x
  2. Step 2: Convert to fraction form
    79,531.02/119,198.04 = 40,066.60/x
  3. Step 3: Cross multiply
    79,531.02x = 119,198.04 × 40,066.60
  4. Step 4: Simplify right side
    79,531.02x = 4,775,860,189.46
  5. Step 5: Solve for x
    x = 4,775,860,189.46/79,531.02
  6. Step 6: Final answer
    x = 60,050.28

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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.