Home / 67,871.02-93,657.78-40,997.64

Finding the Fourth Proportional to 67,871.02, 93,657.78 and 40,997.64

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Solution

The fourth proportional to 67,871.02, 93,657.78 and 40,997.64 is: 56,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,871.02 : 93,657.78 = 40,997.64 : x
  2. Step 2: Convert to fraction form
    67,871.02/93,657.78 = 40,997.64/x
  3. Step 3: Cross multiply
    67,871.02x = 93,657.78 × 40,997.64
  4. Step 4: Simplify right side
    67,871.02x = 3,839,747,947.64
  5. Step 5: Solve for x
    x = 3,839,747,947.64/67,871.02
  6. Step 6: Final answer
    x = 56,574.19

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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.