Home / 83,495.81-115,225.59-45,770.06

Finding the Fourth Proportional to 83,495.81, 115,225.59 and 45,770.06

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Solution

The fourth proportional to 83,495.81, 115,225.59 and 45,770.06 is: 63,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,495.81 : 115,225.59 = 45,770.06 : x
  2. Step 2: Convert to fraction form
    83,495.81/115,225.59 = 45,770.06/x
  3. Step 3: Cross multiply
    83,495.81x = 115,225.59 × 45,770.06
  4. Step 4: Simplify right side
    83,495.81x = 5,273,882,370.08
  5. Step 5: Solve for x
    x = 5,273,882,370.08/83,495.81
  6. Step 6: Final answer
    x = 63,163.44

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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.