Home / 95,450.60-142,884.30-74,455.40

Finding the Fourth Proportional to 95,450.60, 142,884.30 and 74,455.40

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Solution

The fourth proportional to 95,450.60, 142,884.30 and 74,455.40 is: 111,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,450.60 : 142,884.30 = 74,455.40 : x
  2. Step 2: Convert to fraction form
    95,450.60/142,884.30 = 74,455.40/x
  3. Step 3: Cross multiply
    95,450.60x = 142,884.30 × 74,455.40
  4. Step 4: Simplify right side
    95,450.60x = 10,638,507,710.22
  5. Step 5: Solve for x
    x = 10,638,507,710.22/95,450.60
  6. Step 6: Final answer
    x = 111,455.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.