Home / 101,954.03-152,806.10-45,779.72

Finding the Fourth Proportional to 101,954.03, 152,806.10 and 45,779.72

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Solution

The fourth proportional to 101,954.03, 152,806.10 and 45,779.72 is: 68,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,954.03 : 152,806.10 = 45,779.72 : x
  2. Step 2: Convert to fraction form
    101,954.03/152,806.10 = 45,779.72/x
  3. Step 3: Cross multiply
    101,954.03x = 152,806.10 × 45,779.72
  4. Step 4: Simplify right side
    101,954.03x = 6,995,419,479.36
  5. Step 5: Solve for x
    x = 6,995,419,479.36/101,954.03
  6. Step 6: Final answer
    x = 68,613.47

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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.