Home / 70,624.03-105,908.93-30,071.84

Finding the Fourth Proportional to 70,624.03, 105,908.93 and 30,071.84

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Solution

The fourth proportional to 70,624.03, 105,908.93 and 30,071.84 is: 45,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,624.03 : 105,908.93 = 30,071.84 : x
  2. Step 2: Convert to fraction form
    70,624.03/105,908.93 = 30,071.84/x
  3. Step 3: Cross multiply
    70,624.03x = 105,908.93 × 30,071.84
  4. Step 4: Simplify right side
    70,624.03x = 3,184,876,511.94
  5. Step 5: Solve for x
    x = 3,184,876,511.94/70,624.03
  6. Step 6: Final answer
    x = 45,096.22

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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.