Home / 84,222.86-116,214.30-48,405.95

Finding the Fourth Proportional to 84,222.86, 116,214.30 and 48,405.95

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Solution

The fourth proportional to 84,222.86, 116,214.30 and 48,405.95 is: 66,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,222.86 : 116,214.30 = 48,405.95 : x
  2. Step 2: Convert to fraction form
    84,222.86/116,214.30 = 48,405.95/x
  3. Step 3: Cross multiply
    84,222.86x = 116,214.30 × 48,405.95
  4. Step 4: Simplify right side
    84,222.86x = 5,625,463,595.09
  5. Step 5: Solve for x
    x = 5,625,463,595.09/84,222.86
  6. Step 6: Final answer
    x = 66,792.60

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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.