Home / 117,558.72-175,988.16-70,669.44

Finding the Fourth Proportional to 117,558.72, 175,988.16 and 70,669.44

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Solution

The fourth proportional to 117,558.72, 175,988.16 and 70,669.44 is: 105,793.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,558.72 : 175,988.16 = 70,669.44 : x
  2. Step 2: Convert to fraction form
    117,558.72/175,988.16 = 70,669.44/x
  3. Step 3: Cross multiply
    117,558.72x = 175,988.16 × 70,669.44
  4. Step 4: Simplify right side
    117,558.72x = 12,436,984,713.83
  5. Step 5: Solve for x
    x = 12,436,984,713.83/117,558.72
  6. Step 6: Final answer
    x = 105,793.81

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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.