Home / 101,544.03-152,321.72-31,417.88

Finding the Fourth Proportional to 101,544.03, 152,321.72 and 31,417.88

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Solution

The fourth proportional to 101,544.03, 152,321.72 and 31,417.88 is: 47,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,544.03 : 152,321.72 = 31,417.88 : x
  2. Step 2: Convert to fraction form
    101,544.03/152,321.72 = 31,417.88/x
  3. Step 3: Cross multiply
    101,544.03x = 152,321.72 × 31,417.88
  4. Step 4: Simplify right side
    101,544.03x = 4,785,624,601.66
  5. Step 5: Solve for x
    x = 4,785,624,601.66/101,544.03
  6. Step 6: Final answer
    x = 47,128.57

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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.