Home / 76,370.88-105,351.14-44,528.16

Finding the Fourth Proportional to 76,370.88, 105,351.14 and 44,528.16

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Solution

The fourth proportional to 76,370.88, 105,351.14 and 44,528.16 is: 61,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,370.88 : 105,351.14 = 44,528.16 : x
  2. Step 2: Convert to fraction form
    76,370.88/105,351.14 = 44,528.16/x
  3. Step 3: Cross multiply
    76,370.88x = 105,351.14 × 44,528.16
  4. Step 4: Simplify right side
    76,370.88x = 4,691,092,418.10
  5. Step 5: Solve for x
    x = 4,691,092,418.10/76,370.88
  6. Step 6: Final answer
    x = 61,425.15

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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.