Home / 122,104.89-168,506.73-70,393.41

Finding the Fourth Proportional to 122,104.89, 168,506.73 and 70,393.41

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Solution

The fourth proportional to 122,104.89, 168,506.73 and 70,393.41 is: 97,144.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,104.89 : 168,506.73 = 70,393.41 : x
  2. Step 2: Convert to fraction form
    122,104.89/168,506.73 = 70,393.41/x
  3. Step 3: Cross multiply
    122,104.89x = 168,506.73 × 70,393.41
  4. Step 4: Simplify right side
    122,104.89x = 11,861,763,332.65
  5. Step 5: Solve for x
    x = 11,861,763,332.65/122,104.89
  6. Step 6: Final answer
    x = 97,144.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.