Home / 98,513.07-147,791.21-31,959.93

Finding the Fourth Proportional to 98,513.07, 147,791.21 and 31,959.93

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Solution

The fourth proportional to 98,513.07, 147,791.21 and 31,959.93 is: 47,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,513.07 : 147,791.21 = 31,959.93 : x
  2. Step 2: Convert to fraction form
    98,513.07/147,791.21 = 31,959.93/x
  3. Step 3: Cross multiply
    98,513.07x = 147,791.21 × 31,959.93
  4. Step 4: Simplify right side
    98,513.07x = 4,723,396,726.22
  5. Step 5: Solve for x
    x = 4,723,396,726.22/98,513.07
  6. Step 6: Final answer
    x = 47,946.90

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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.