Home / 102,223.35-141,072.30-61,914.38

Finding the Fourth Proportional to 102,223.35, 141,072.30 and 61,914.38

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Solution

The fourth proportional to 102,223.35, 141,072.30 and 61,914.38 is: 85,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,223.35 : 141,072.30 = 61,914.38 : x
  2. Step 2: Convert to fraction form
    102,223.35/141,072.30 = 61,914.38/x
  3. Step 3: Cross multiply
    102,223.35x = 141,072.30 × 61,914.38
  4. Step 4: Simplify right side
    102,223.35x = 8,734,403,284.31
  5. Step 5: Solve for x
    x = 8,734,403,284.31/102,223.35
  6. Step 6: Final answer
    x = 85,444.31

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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.