Home / 66,435.42-91,706.48-48,671.52

Finding the Fourth Proportional to 66,435.42, 91,706.48 and 48,671.52

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Solution

The fourth proportional to 66,435.42, 91,706.48 and 48,671.52 is: 67,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,435.42 : 91,706.48 = 48,671.52 : x
  2. Step 2: Convert to fraction form
    66,435.42/91,706.48 = 48,671.52/x
  3. Step 3: Cross multiply
    66,435.42x = 91,706.48 × 48,671.52
  4. Step 4: Simplify right side
    66,435.42x = 4,463,493,532.09
  5. Step 5: Solve for x
    x = 4,463,493,532.09/66,435.42
  6. Step 6: Final answer
    x = 67,185.45

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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.