Home / 74,791.65-112,208.59-30,450.23

Finding the Fourth Proportional to 74,791.65, 112,208.59 and 30,450.23

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Solution

The fourth proportional to 74,791.65, 112,208.59 and 30,450.23 is: 45,683.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,791.65 : 112,208.59 = 30,450.23 : x
  2. Step 2: Convert to fraction form
    74,791.65/112,208.59 = 30,450.23/x
  3. Step 3: Cross multiply
    74,791.65x = 112,208.59 × 30,450.23
  4. Step 4: Simplify right side
    74,791.65x = 3,416,777,271.28
  5. Step 5: Solve for x
    x = 3,416,777,271.28/74,791.65
  6. Step 6: Final answer
    x = 45,683.94

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1.5x scale

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.