Home / 84,840.50-117,071.10-49,042.01

Finding the Fourth Proportional to 84,840.50, 117,071.10 and 49,042.01

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Solution

The fourth proportional to 84,840.50, 117,071.10 and 49,042.01 is: 67,672.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,840.50 : 117,071.10 = 49,042.01 : x
  2. Step 2: Convert to fraction form
    84,840.50/117,071.10 = 49,042.01/x
  3. Step 3: Cross multiply
    84,840.50x = 117,071.10 × 49,042.01
  4. Step 4: Simplify right side
    84,840.50x = 5,741,401,471.56
  5. Step 5: Solve for x
    x = 5,741,401,471.56/84,840.50
  6. Step 6: Final answer
    x = 67,672.89

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1.5x scale

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.