Home / 105,611.04-158,416.43-35,539.56

Finding the Fourth Proportional to 105,611.04, 158,416.43 and 35,539.56

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Solution

The fourth proportional to 105,611.04, 158,416.43 and 35,539.56 is: 53,309.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,611.04 : 158,416.43 = 35,539.56 : x
  2. Step 2: Convert to fraction form
    105,611.04/158,416.43 = 35,539.56/x
  3. Step 3: Cross multiply
    105,611.04x = 158,416.43 × 35,539.56
  4. Step 4: Simplify right side
    105,611.04x = 5,630,050,041.27
  5. Step 5: Solve for x
    x = 5,630,050,041.27/105,611.04
  6. Step 6: Final answer
    x = 53,309.29

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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.