Home / 115,415.50-173,153.94-48,858.43

Finding the Fourth Proportional to 115,415.50, 173,153.94 and 48,858.43

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Solution

The fourth proportional to 115,415.50, 173,153.94 and 48,858.43 is: 73,300.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,415.50 : 173,153.94 = 48,858.43 : x
  2. Step 2: Convert to fraction form
    115,415.50/173,153.94 = 48,858.43/x
  3. Step 3: Cross multiply
    115,415.50x = 173,153.94 × 48,858.43
  4. Step 4: Simplify right side
    115,415.50x = 8,460,029,656.71
  5. Step 5: Solve for x
    x = 8,460,029,656.71/115,415.50
  6. Step 6: Final answer
    x = 73,300.64

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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.