Home / 70,555.08-105,864.99-30,586.26

Finding the Fourth Proportional to 70,555.08, 105,864.99 and 30,586.26

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Solution

The fourth proportional to 70,555.08, 105,864.99 and 30,586.26 is: 45,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,555.08 : 105,864.99 = 30,586.26 : x
  2. Step 2: Convert to fraction form
    70,555.08/105,864.99 = 30,586.26/x
  3. Step 3: Cross multiply
    70,555.08x = 105,864.99 × 30,586.26
  4. Step 4: Simplify right side
    70,555.08x = 3,238,014,109.04
  5. Step 5: Solve for x
    x = 3,238,014,109.04/70,555.08
  6. Step 6: Final answer
    x = 45,893.42

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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.