Home / 70,519.86-105,779.97-17,933.58

Finding the Fourth Proportional to 70,519.86, 105,779.97 and 17,933.58

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Solution

The fourth proportional to 70,519.86, 105,779.97 and 17,933.58 is: 26,900.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,519.86 : 105,779.97 = 17,933.58 : x
  2. Step 2: Convert to fraction form
    70,519.86/105,779.97 = 17,933.58/x
  3. Step 3: Cross multiply
    70,519.86x = 105,779.97 × 17,933.58
  4. Step 4: Simplify right side
    70,519.86x = 1,897,013,554.39
  5. Step 5: Solve for x
    x = 1,897,013,554.39/70,519.86
  6. Step 6: Final answer
    x = 26,900.42

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1.5x scale

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.