Home / 67,131.56-92,643.10-36,918.56

Finding the Fourth Proportional to 67,131.56, 92,643.10 and 36,918.56

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Solution

The fourth proportional to 67,131.56, 92,643.10 and 36,918.56 is: 50,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,131.56 : 92,643.10 = 36,918.56 : x
  2. Step 2: Convert to fraction form
    67,131.56/92,643.10 = 36,918.56/x
  3. Step 3: Cross multiply
    67,131.56x = 92,643.10 × 36,918.56
  4. Step 4: Simplify right side
    67,131.56x = 3,420,249,845.94
  5. Step 5: Solve for x
    x = 3,420,249,845.94/67,131.56
  6. Step 6: Final answer
    x = 50,948.46

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1.5x scale

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.