Home / 66,018.14-91,105.08-35,803.46

Finding the Fourth Proportional to 66,018.14, 91,105.08 and 35,803.46

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Solution

The fourth proportional to 66,018.14, 91,105.08 and 35,803.46 is: 49,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,018.14 : 91,105.08 = 35,803.46 : x
  2. Step 2: Convert to fraction form
    66,018.14/91,105.08 = 35,803.46/x
  3. Step 3: Cross multiply
    66,018.14x = 91,105.08 × 35,803.46
  4. Step 4: Simplify right side
    66,018.14x = 3,261,877,087.58
  5. Step 5: Solve for x
    x = 3,261,877,087.58/66,018.14
  6. Step 6: Final answer
    x = 49,408.80

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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.