Home / 115,323.03-173,005.43-52,172.87

Finding the Fourth Proportional to 115,323.03, 173,005.43 and 52,172.87

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Solution

The fourth proportional to 115,323.03, 173,005.43 and 52,172.87 is: 78,268.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,323.03 : 173,005.43 = 52,172.87 : x
  2. Step 2: Convert to fraction form
    115,323.03/173,005.43 = 52,172.87/x
  3. Step 3: Cross multiply
    115,323.03x = 173,005.43 × 52,172.87
  4. Step 4: Simplify right side
    115,323.03x = 9,026,188,682.79
  5. Step 5: Solve for x
    x = 9,026,188,682.79/115,323.03
  6. Step 6: Final answer
    x = 78,268.74

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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.