Home / 102,223.85-141,072.99-61,914.88

Finding the Fourth Proportional to 102,223.85, 141,072.99 and 61,914.88

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Solution

The fourth proportional to 102,223.85, 141,072.99 and 61,914.88 is: 85,445.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,223.85 : 141,072.99 = 61,914.88 : x
  2. Step 2: Convert to fraction form
    102,223.85/141,072.99 = 61,914.88/x
  3. Step 3: Cross multiply
    102,223.85x = 141,072.99 × 61,914.88
  4. Step 4: Simplify right side
    102,223.85x = 8,734,516,541.73
  5. Step 5: Solve for x
    x = 8,734,516,541.73/102,223.85
  6. Step 6: Final answer
    x = 85,445.00

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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.