Home / 68,120.45-94,006.22-37,907.72

Finding the Fourth Proportional to 68,120.45, 94,006.22 and 37,907.72

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Solution

The fourth proportional to 68,120.45, 94,006.22 and 37,907.72 is: 52,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,120.45 : 94,006.22 = 37,907.72 : x
  2. Step 2: Convert to fraction form
    68,120.45/94,006.22 = 37,907.72/x
  3. Step 3: Cross multiply
    68,120.45x = 94,006.22 × 37,907.72
  4. Step 4: Simplify right side
    68,120.45x = 3,563,561,466.02
  5. Step 5: Solve for x
    x = 3,563,561,466.02/68,120.45
  6. Step 6: Final answer
    x = 52,312.65

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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.