Home / 67,132.63-92,643.70-36,918.16

Finding the Fourth Proportional to 67,132.63, 92,643.70 and 36,918.16

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Solution

The fourth proportional to 67,132.63, 92,643.70 and 36,918.16 is: 50,947.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,132.63 : 92,643.70 = 36,918.16 : x
  2. Step 2: Convert to fraction form
    67,132.63/92,643.70 = 36,918.16/x
  3. Step 3: Cross multiply
    67,132.63x = 92,643.70 × 36,918.16
  4. Step 4: Simplify right side
    67,132.63x = 3,420,234,476.37
  5. Step 5: Solve for x
    x = 3,420,234,476.37/67,132.63
  6. Step 6: Final answer
    x = 50,947.43

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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.