Home / 76,290.13-105,366.59-52,049.49

Finding the Fourth Proportional to 76,290.13, 105,366.59 and 52,049.49

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Solution

The fourth proportional to 76,290.13, 105,366.59 and 52,049.49 is: 71,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,290.13 : 105,366.59 = 52,049.49 : x
  2. Step 2: Convert to fraction form
    76,290.13/105,366.59 = 52,049.49/x
  3. Step 3: Cross multiply
    76,290.13x = 105,366.59 × 52,049.49
  4. Step 4: Simplify right side
    76,290.13x = 5,484,277,272.54
  5. Step 5: Solve for x
    x = 5,484,277,272.54/76,290.13
  6. Step 6: Final answer
    x = 71,887.11

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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.