Home / 101,766.36-152,737.38-70,623.48

Finding the Fourth Proportional to 101,766.36, 152,737.38 and 70,623.48

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Solution

The fourth proportional to 101,766.36, 152,737.38 and 70,623.48 is: 105,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,766.36 : 152,737.38 = 70,623.48 : x
  2. Step 2: Convert to fraction form
    101,766.36/152,737.38 = 70,623.48/x
  3. Step 3: Cross multiply
    101,766.36x = 152,737.38 × 70,623.48
  4. Step 4: Simplify right side
    101,766.36x = 10,786,845,301.68
  5. Step 5: Solve for x
    x = 10,786,845,301.68/101,766.36
  6. Step 6: Final answer
    x = 105,996.18

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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.