Home / 98,048.67-147,121.61-38,883.03

Finding the Fourth Proportional to 98,048.67, 147,121.61 and 38,883.03

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Solution

The fourth proportional to 98,048.67, 147,121.61 and 38,883.03 is: 58,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,048.67 : 147,121.61 = 38,883.03 : x
  2. Step 2: Convert to fraction form
    98,048.67/147,121.61 = 38,883.03/x
  3. Step 3: Cross multiply
    98,048.67x = 147,121.61 × 38,883.03
  4. Step 4: Simplify right side
    98,048.67x = 5,720,533,975.28
  5. Step 5: Solve for x
    x = 5,720,533,975.28/98,048.67
  6. Step 6: Final answer
    x = 58,343.82

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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.