Home / 85,768.85-118,361.02-48,043.10

Finding the Fourth Proportional to 85,768.85, 118,361.02 and 48,043.10

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Solution

The fourth proportional to 85,768.85, 118,361.02 and 48,043.10 is: 66,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,768.85 : 118,361.02 = 48,043.10 : x
  2. Step 2: Convert to fraction form
    85,768.85/118,361.02 = 48,043.10/x
  3. Step 3: Cross multiply
    85,768.85x = 118,361.02 × 48,043.10
  4. Step 4: Simplify right side
    85,768.85x = 5,686,430,319.96
  5. Step 5: Solve for x
    x = 5,686,430,319.96/85,768.85
  6. Step 6: Final answer
    x = 66,299.48

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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.