Home / 98,521.26-147,803.49-31,968.12

Finding the Fourth Proportional to 98,521.26, 147,803.49 and 31,968.12

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Solution

The fourth proportional to 98,521.26, 147,803.49 and 31,968.12 is: 47,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,521.26 : 147,803.49 = 31,968.12 : x
  2. Step 2: Convert to fraction form
    98,521.26/147,803.49 = 31,968.12/x
  3. Step 3: Cross multiply
    98,521.26x = 147,803.49 × 31,968.12
  4. Step 4: Simplify right side
    98,521.26x = 4,724,999,704.74
  5. Step 5: Solve for x
    x = 4,724,999,704.74/98,521.26
  6. Step 6: Final answer
    x = 47,959.19

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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.