Home / 83,606.36-115,376.46-45,880.52

Finding the Fourth Proportional to 83,606.36, 115,376.46 and 45,880.52

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Solution

The fourth proportional to 83,606.36, 115,376.46 and 45,880.52 is: 63,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,606.36 : 115,376.46 = 45,880.52 : x
  2. Step 2: Convert to fraction form
    83,606.36/115,376.46 = 45,880.52/x
  3. Step 3: Cross multiply
    83,606.36x = 115,376.46 × 45,880.52
  4. Step 4: Simplify right side
    83,606.36x = 5,293,531,980.56
  5. Step 5: Solve for x
    x = 5,293,531,980.56/83,606.36
  6. Step 6: Final answer
    x = 63,314.94

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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.