Home / 85,908.54-118,557.86-53,662.26

Finding the Fourth Proportional to 85,908.54, 118,557.86 and 53,662.26

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Solution

The fourth proportional to 85,908.54, 118,557.86 and 53,662.26 is: 74,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,908.54 : 118,557.86 = 53,662.26 : x
  2. Step 2: Convert to fraction form
    85,908.54/118,557.86 = 53,662.26/x
  3. Step 3: Cross multiply
    85,908.54x = 118,557.86 × 53,662.26
  4. Step 4: Simplify right side
    85,908.54x = 6,362,082,440.05
  5. Step 5: Solve for x
    x = 6,362,082,440.05/85,908.54
  6. Step 6: Final answer
    x = 74,056.46

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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.