Home / 85,107.45-117,442.93-51,095.84

Finding the Fourth Proportional to 85,107.45, 117,442.93 and 51,095.84

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Solution

The fourth proportional to 85,107.45, 117,442.93 and 51,095.84 is: 70,509.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,107.45 : 117,442.93 = 51,095.84 : x
  2. Step 2: Convert to fraction form
    85,107.45/117,442.93 = 51,095.84/x
  3. Step 3: Cross multiply
    85,107.45x = 117,442.93 × 51,095.84
  4. Step 4: Simplify right side
    85,107.45x = 6,000,844,656.01
  5. Step 5: Solve for x
    x = 6,000,844,656.01/85,107.45
  6. Step 6: Final answer
    x = 70,509.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.