Home / 67,968.12-93,730.56-40,739.94

Finding the Fourth Proportional to 67,968.12, 93,730.56 and 40,739.94

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Solution

The fourth proportional to 67,968.12, 93,730.56 and 40,739.94 is: 56,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,968.12 : 93,730.56 = 40,739.94 : x
  2. Step 2: Convert to fraction form
    67,968.12/93,730.56 = 40,739.94/x
  3. Step 3: Cross multiply
    67,968.12x = 93,730.56 × 40,739.94
  4. Step 4: Simplify right side
    67,968.12x = 3,818,577,390.57
  5. Step 5: Solve for x
    x = 3,818,577,390.57/67,968.12
  6. Step 6: Final answer
    x = 56,181.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.