Home / 66,270.15-91,453.73-36,056.34

Finding the Fourth Proportional to 66,270.15, 91,453.73 and 36,056.34

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Solution

The fourth proportional to 66,270.15, 91,453.73 and 36,056.34 is: 49,758.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,270.15 : 91,453.73 = 36,056.34 : x
  2. Step 2: Convert to fraction form
    66,270.15/91,453.73 = 36,056.34/x
  3. Step 3: Cross multiply
    66,270.15x = 91,453.73 × 36,056.34
  4. Step 4: Simplify right side
    66,270.15x = 3,297,486,602.87
  5. Step 5: Solve for x
    x = 3,297,486,602.87/66,270.15
  6. Step 6: Final answer
    x = 49,758.25

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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.