Home / 85,132.96-117,484.27-46,892.64

Finding the Fourth Proportional to 85,132.96, 117,484.27 and 46,892.64

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Solution

The fourth proportional to 85,132.96, 117,484.27 and 46,892.64 is: 64,712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,132.96 : 117,484.27 = 46,892.64 : x
  2. Step 2: Convert to fraction form
    85,132.96/117,484.27 = 46,892.64/x
  3. Step 3: Cross multiply
    85,132.96x = 117,484.27 × 46,892.64
  4. Step 4: Simplify right side
    85,132.96x = 5,509,147,902.11
  5. Step 5: Solve for x
    x = 5,509,147,902.11/85,132.96
  6. Step 6: Final answer
    x = 64,712.28

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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.