Home / 75,052.10-112,541.79-30,661.22

Finding the Fourth Proportional to 75,052.10, 112,541.79 and 30,661.22

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Solution

The fourth proportional to 75,052.10, 112,541.79 and 30,661.22 is: 45,976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,052.10 : 112,541.79 = 30,661.22 : x
  2. Step 2: Convert to fraction form
    75,052.10/112,541.79 = 30,661.22/x
  3. Step 3: Cross multiply
    75,052.10x = 112,541.79 × 30,661.22
  4. Step 4: Simplify right side
    75,052.10x = 3,450,668,582.38
  5. Step 5: Solve for x
    x = 3,450,668,582.38/75,052.10
  6. Step 6: Final answer
    x = 45,976.98

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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.