Home / 105,526.43-145,597.61-67,822.55

Finding the Fourth Proportional to 105,526.43, 145,597.61 and 67,822.55

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Solution

The fourth proportional to 105,526.43, 145,597.61 and 67,822.55 is: 93,576.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,526.43 : 145,597.61 = 67,822.55 : x
  2. Step 2: Convert to fraction form
    105,526.43/145,597.61 = 67,822.55/x
  3. Step 3: Cross multiply
    105,526.43x = 145,597.61 × 67,822.55
  4. Step 4: Simplify right side
    105,526.43x = 9,874,800,844.99
  5. Step 5: Solve for x
    x = 9,874,800,844.99/105,526.43
  6. Step 6: Final answer
    x = 93,576.57

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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.