Home / 70,378.44-105,609.24-26,036.34

Finding the Fourth Proportional to 70,378.44, 105,609.24 and 26,036.34

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Solution

The fourth proportional to 70,378.44, 105,609.24 and 26,036.34 is: 39,069.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,378.44 : 105,609.24 = 26,036.34 : x
  2. Step 2: Convert to fraction form
    70,378.44/105,609.24 = 26,036.34/x
  3. Step 3: Cross multiply
    70,378.44x = 105,609.24 × 26,036.34
  4. Step 4: Simplify right side
    70,378.44x = 2,749,678,079.78
  5. Step 5: Solve for x
    x = 2,749,678,079.78/70,378.44
  6. Step 6: Final answer
    x = 39,069.89

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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.