Home / 90,698.26-136,048.76-34,541.48

Finding the Fourth Proportional to 90,698.26, 136,048.76 and 34,541.48

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Solution

The fourth proportional to 90,698.26, 136,048.76 and 34,541.48 is: 51,812.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,698.26 : 136,048.76 = 34,541.48 : x
  2. Step 2: Convert to fraction form
    90,698.26/136,048.76 = 34,541.48/x
  3. Step 3: Cross multiply
    90,698.26x = 136,048.76 × 34,541.48
  4. Step 4: Simplify right side
    90,698.26x = 4,699,325,522.56
  5. Step 5: Solve for x
    x = 4,699,325,522.56/90,698.26
  6. Step 6: Final answer
    x = 51,812.74

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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.