Home / 105,246.93-145,267.26-67,586.79

Finding the Fourth Proportional to 105,246.93, 145,267.26 and 67,586.79

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Solution

The fourth proportional to 105,246.93, 145,267.26 and 67,586.79 is: 93,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,246.93 : 145,267.26 = 67,586.79 : x
  2. Step 2: Convert to fraction form
    105,246.93/145,267.26 = 67,586.79/x
  3. Step 3: Cross multiply
    105,246.93x = 145,267.26 × 67,586.79
  4. Step 4: Simplify right side
    105,246.93x = 9,818,147,795.50
  5. Step 5: Solve for x
    x = 9,818,147,795.50/105,246.93
  6. Step 6: Final answer
    x = 93,286.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.