Home / 74,000.57-110,949.36-31,868.01

Finding the Fourth Proportional to 74,000.57, 110,949.36 and 31,868.01

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Solution

The fourth proportional to 74,000.57, 110,949.36 and 31,868.01 is: 47,779.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,000.57 : 110,949.36 = 31,868.01 : x
  2. Step 2: Convert to fraction form
    74,000.57/110,949.36 = 31,868.01/x
  3. Step 3: Cross multiply
    74,000.57x = 110,949.36 × 31,868.01
  4. Step 4: Simplify right side
    74,000.57x = 3,535,735,313.97
  5. Step 5: Solve for x
    x = 3,535,735,313.97/74,000.57
  6. Step 6: Final answer
    x = 47,779.84

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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.