Home / 77,582.03-116,370.68-21,425.54

Finding the Fourth Proportional to 77,582.03, 116,370.68 and 21,425.54

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Solution

The fourth proportional to 77,582.03, 116,370.68 and 21,425.54 is: 32,137.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,582.03 : 116,370.68 = 21,425.54 : x
  2. Step 2: Convert to fraction form
    77,582.03/116,370.68 = 21,425.54/x
  3. Step 3: Cross multiply
    77,582.03x = 116,370.68 × 21,425.54
  4. Step 4: Simplify right side
    77,582.03x = 2,493,303,970.19
  5. Step 5: Solve for x
    x = 2,493,303,970.19/77,582.03
  6. Step 6: Final answer
    x = 32,137.65

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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.