Home / 85,736.42-118,374.04-53,520.10

Finding the Fourth Proportional to 85,736.42, 118,374.04 and 53,520.10

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Solution

The fourth proportional to 85,736.42, 118,374.04 and 53,520.10 is: 73,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,736.42 : 118,374.04 = 53,520.10 : x
  2. Step 2: Convert to fraction form
    85,736.42/118,374.04 = 53,520.10/x
  3. Step 3: Cross multiply
    85,736.42x = 118,374.04 × 53,520.10
  4. Step 4: Simplify right side
    85,736.42x = 6,335,390,458.20
  5. Step 5: Solve for x
    x = 6,335,390,458.20/85,736.42
  6. Step 6: Final answer
    x = 73,893.81

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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.