Home / 70,375.04-105,633.69-62,421.96

Finding the Fourth Proportional to 70,375.04, 105,633.69 and 62,421.96

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Solution

The fourth proportional to 70,375.04, 105,633.69 and 62,421.96 is: 93,696.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,375.04 : 105,633.69 = 62,421.96 : x
  2. Step 2: Convert to fraction form
    70,375.04/105,633.69 = 62,421.96/x
  3. Step 3: Cross multiply
    70,375.04x = 105,633.69 × 62,421.96
  4. Step 4: Simplify right side
    70,375.04x = 6,593,861,971.83
  5. Step 5: Solve for x
    x = 6,593,861,971.83/70,375.04
  6. Step 6: Final answer
    x = 93,696.04

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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.