Home / 115,052.60-172,643.70-44,922.80

Finding the Fourth Proportional to 115,052.60, 172,643.70 and 44,922.80

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Solution

The fourth proportional to 115,052.60, 172,643.70 and 44,922.80 is: 67,409.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,052.60 : 172,643.70 = 44,922.80 : x
  2. Step 2: Convert to fraction form
    115,052.60/172,643.70 = 44,922.80/x
  3. Step 3: Cross multiply
    115,052.60x = 172,643.70 × 44,922.80
  4. Step 4: Simplify right side
    115,052.60x = 7,755,638,406.36
  5. Step 5: Solve for x
    x = 7,755,638,406.36/115,052.60
  6. Step 6: Final answer
    x = 67,409.50

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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.