Home / 75,068.37-103,631.86-43,231.12

Finding the Fourth Proportional to 75,068.37, 103,631.86 and 43,231.12

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Solution

The fourth proportional to 75,068.37, 103,631.86 and 43,231.12 is: 59,680.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,068.37 : 103,631.86 = 43,231.12 : x
  2. Step 2: Convert to fraction form
    75,068.37/103,631.86 = 43,231.12/x
  3. Step 3: Cross multiply
    75,068.37x = 103,631.86 × 43,231.12
  4. Step 4: Simplify right side
    75,068.37x = 4,480,120,927.27
  5. Step 5: Solve for x
    x = 4,480,120,927.27/75,068.37
  6. Step 6: Final answer
    x = 59,680.54

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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.