Home / 98,004.15-146,820.74-57,903.21

Finding the Fourth Proportional to 98,004.15, 146,820.74 and 57,903.21

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Solution

The fourth proportional to 98,004.15, 146,820.74 and 57,903.21 is: 86,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,004.15 : 146,820.74 = 57,903.21 : x
  2. Step 2: Convert to fraction form
    98,004.15/146,820.74 = 57,903.21/x
  3. Step 3: Cross multiply
    98,004.15x = 146,820.74 × 57,903.21
  4. Step 4: Simplify right side
    98,004.15x = 8,501,391,851.06
  5. Step 5: Solve for x
    x = 8,501,391,851.06/98,004.15
  6. Step 6: Final answer
    x = 86,745.22

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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.