Home / 70,677.46-105,975.19-28,523.04

Finding the Fourth Proportional to 70,677.46, 105,975.19 and 28,523.04

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Solution

The fourth proportional to 70,677.46, 105,975.19 and 28,523.04 is: 42,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,677.46 : 105,975.19 = 28,523.04 : x
  2. Step 2: Convert to fraction form
    70,677.46/105,975.19 = 28,523.04/x
  3. Step 3: Cross multiply
    70,677.46x = 105,975.19 × 28,523.04
  4. Step 4: Simplify right side
    70,677.46x = 3,022,734,061.18
  5. Step 5: Solve for x
    x = 3,022,734,061.18/70,677.46
  6. Step 6: Final answer
    x = 42,768.01

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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.