Home / 67,120.89-92,627.05-36,908.10

Finding the Fourth Proportional to 67,120.89, 92,627.05 and 36,908.10

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Solution

The fourth proportional to 67,120.89, 92,627.05 and 36,908.10 is: 50,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,120.89 : 92,627.05 = 36,908.10 : x
  2. Step 2: Convert to fraction form
    67,120.89/92,627.05 = 36,908.10/x
  3. Step 3: Cross multiply
    67,120.89x = 92,627.05 × 36,908.10
  4. Step 4: Simplify right side
    67,120.89x = 3,418,688,424.11
  5. Step 5: Solve for x
    x = 3,418,688,424.11/67,120.89
  6. Step 6: Final answer
    x = 50,933.30

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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.