Home / 85,748.63-118,333.71-48,022.88

Finding the Fourth Proportional to 85,748.63, 118,333.71 and 48,022.88

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Solution

The fourth proportional to 85,748.63, 118,333.71 and 48,022.88 is: 66,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,748.63 : 118,333.71 = 48,022.88 : x
  2. Step 2: Convert to fraction form
    85,748.63/118,333.71 = 48,022.88/x
  3. Step 3: Cross multiply
    85,748.63x = 118,333.71 × 48,022.88
  4. Step 4: Simplify right side
    85,748.63x = 5,682,724,963.62
  5. Step 5: Solve for x
    x = 5,682,724,963.62/85,748.63
  6. Step 6: Final answer
    x = 66,271.91

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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.