Home / 99,065.30-148,656.26-36,779.54

Finding the Fourth Proportional to 99,065.30, 148,656.26 and 36,779.54

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Solution

The fourth proportional to 99,065.30, 148,656.26 and 36,779.54 is: 55,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,065.30 : 148,656.26 = 36,779.54 : x
  2. Step 2: Convert to fraction form
    99,065.30/148,656.26 = 36,779.54/x
  3. Step 3: Cross multiply
    99,065.30x = 148,656.26 × 36,779.54
  4. Step 4: Simplify right side
    99,065.30x = 5,467,508,209.59
  5. Step 5: Solve for x
    x = 5,467,508,209.59/99,065.30
  6. Step 6: Final answer
    x = 55,190.95

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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.