Home / 60,161.12-82,962.13-40,018.85

Finding the Fourth Proportional to 60,161.12, 82,962.13 and 40,018.85

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Solution

The fourth proportional to 60,161.12, 82,962.13 and 40,018.85 is: 55,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,161.12 : 82,962.13 = 40,018.85 : x
  2. Step 2: Convert to fraction form
    60,161.12/82,962.13 = 40,018.85/x
  3. Step 3: Cross multiply
    60,161.12x = 82,962.13 × 40,018.85
  4. Step 4: Simplify right side
    60,161.12x = 3,320,048,836.06
  5. Step 5: Solve for x
    x = 3,320,048,836.06/60,161.12
  6. Step 6: Final answer
    x = 55,185.95

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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.