Home / 89,535.39-134,304.63-30,372.58

Finding the Fourth Proportional to 89,535.39, 134,304.63 and 30,372.58

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Solution

The fourth proportional to 89,535.39, 134,304.63 and 30,372.58 is: 45,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,535.39 : 134,304.63 = 30,372.58 : x
  2. Step 2: Convert to fraction form
    89,535.39/134,304.63 = 30,372.58/x
  3. Step 3: Cross multiply
    89,535.39x = 134,304.63 × 30,372.58
  4. Step 4: Simplify right side
    89,535.39x = 4,079,178,119.05
  5. Step 5: Solve for x
    x = 4,079,178,119.05/89,535.39
  6. Step 6: Final answer
    x = 45,559.39

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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.