Home / 76,036.52-113,943.48-42,821.36

Finding the Fourth Proportional to 76,036.52, 113,943.48 and 42,821.36

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Solution

The fourth proportional to 76,036.52, 113,943.48 and 42,821.36 is: 64,169.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,036.52 : 113,943.48 = 42,821.36 : x
  2. Step 2: Convert to fraction form
    76,036.52/113,943.48 = 42,821.36/x
  3. Step 3: Cross multiply
    76,036.52x = 113,943.48 × 42,821.36
  4. Step 4: Simplify right side
    76,036.52x = 4,879,214,776.73
  5. Step 5: Solve for x
    x = 4,879,214,776.73/76,036.52
  6. Step 6: Final answer
    x = 64,169.36

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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.