Home / 74,295.42-102,527.28-40,304.58

Finding the Fourth Proportional to 74,295.42, 102,527.28 and 40,304.58

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Solution

The fourth proportional to 74,295.42, 102,527.28 and 40,304.58 is: 55,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,295.42 : 102,527.28 = 40,304.58 : x
  2. Step 2: Convert to fraction form
    74,295.42/102,527.28 = 40,304.58/x
  3. Step 3: Cross multiply
    74,295.42x = 102,527.28 × 40,304.58
  4. Step 4: Simplify right side
    74,295.42x = 4,132,318,958.94
  5. Step 5: Solve for x
    x = 4,132,318,958.94/74,295.42
  6. Step 6: Final answer
    x = 55,620.10

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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.