Home / 98,067.06-147,128.43-50,707.91

Finding the Fourth Proportional to 98,067.06, 147,128.43 and 50,707.91

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Solution

The fourth proportional to 98,067.06, 147,128.43 and 50,707.91 is: 76,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,067.06 : 147,128.43 = 50,707.91 : x
  2. Step 2: Convert to fraction form
    98,067.06/147,128.43 = 50,707.91/x
  3. Step 3: Cross multiply
    98,067.06x = 147,128.43 × 50,707.91
  4. Step 4: Simplify right side
    98,067.06x = 7,460,574,451.24
  5. Step 5: Solve for x
    x = 7,460,574,451.24/98,067.06
  6. Step 6: Final answer
    x = 76,076.25

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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.