Home / 83,042.75-114,539.96-55,433.51

Finding the Fourth Proportional to 83,042.75, 114,539.96 and 55,433.51

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Solution

The fourth proportional to 83,042.75, 114,539.96 and 55,433.51 is: 76,458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,042.75 : 114,539.96 = 55,433.51 : x
  2. Step 2: Convert to fraction form
    83,042.75/114,539.96 = 55,433.51/x
  3. Step 3: Cross multiply
    83,042.75x = 114,539.96 × 55,433.51
  4. Step 4: Simplify right side
    83,042.75x = 6,349,351,740.89
  5. Step 5: Solve for x
    x = 6,349,351,740.89/83,042.75
  6. Step 6: Final answer
    x = 76,458.83

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1.5x scale

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.