Home / 60,013.26-90,030.83-20,574.36

Finding the Fourth Proportional to 60,013.26, 90,030.83 and 20,574.36

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Solution

The fourth proportional to 60,013.26, 90,030.83 and 20,574.36 is: 30,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,013.26 : 90,030.83 = 20,574.36 : x
  2. Step 2: Convert to fraction form
    60,013.26/90,030.83 = 20,574.36/x
  3. Step 3: Cross multiply
    60,013.26x = 90,030.83 × 20,574.36
  4. Step 4: Simplify right side
    60,013.26x = 1,852,326,604.65
  5. Step 5: Solve for x
    x = 1,852,326,604.65/60,013.26
  6. Step 6: Final answer
    x = 30,865.29

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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.