Home / 70,472.12-105,636.54-44,195.18

Finding the Fourth Proportional to 70,472.12, 105,636.54 and 44,195.18

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Solution

The fourth proportional to 70,472.12, 105,636.54 and 44,195.18 is: 66,247.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,472.12 : 105,636.54 = 44,195.18 : x
  2. Step 2: Convert to fraction form
    70,472.12/105,636.54 = 44,195.18/x
  3. Step 3: Cross multiply
    70,472.12x = 105,636.54 × 44,195.18
  4. Step 4: Simplify right side
    70,472.12x = 4,668,625,899.88
  5. Step 5: Solve for x
    x = 4,668,625,899.88/70,472.12
  6. Step 6: Final answer
    x = 66,247.84

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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.