Home / 105,670.87-158,527.04-39,111.57

Finding the Fourth Proportional to 105,670.87, 158,527.04 and 39,111.57

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Solution

The fourth proportional to 105,670.87, 158,527.04 and 39,111.57 is: 58,675.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,670.87 : 158,527.04 = 39,111.57 : x
  2. Step 2: Convert to fraction form
    105,670.87/158,527.04 = 39,111.57/x
  3. Step 3: Cross multiply
    105,670.87x = 158,527.04 × 39,111.57
  4. Step 4: Simplify right side
    105,670.87x = 6,200,241,226.29
  5. Step 5: Solve for x
    x = 6,200,241,226.29/105,670.87
  6. Step 6: Final answer
    x = 58,675.03

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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.