Home / 101,764.48-152,615.60-70,376.26

Finding the Fourth Proportional to 101,764.48, 152,615.60 and 70,376.26

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Solution

The fourth proportional to 101,764.48, 152,615.60 and 70,376.26 is: 105,542.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,764.48 : 152,615.60 = 70,376.26 : x
  2. Step 2: Convert to fraction form
    101,764.48/152,615.60 = 70,376.26/x
  3. Step 3: Cross multiply
    101,764.48x = 152,615.60 × 70,376.26
  4. Step 4: Simplify right side
    101,764.48x = 10,740,515,145.66
  5. Step 5: Solve for x
    x = 10,740,515,145.66/101,764.48
  6. Step 6: Final answer
    x = 105,542.87

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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.