Home / 101,623.14-140,245.16-61,336.35

Finding the Fourth Proportional to 101,623.14, 140,245.16 and 61,336.35

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Solution

The fourth proportional to 101,623.14, 140,245.16 and 61,336.35 is: 84,647.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,623.14 : 140,245.16 = 61,336.35 : x
  2. Step 2: Convert to fraction form
    101,623.14/140,245.16 = 61,336.35/x
  3. Step 3: Cross multiply
    101,623.14x = 140,245.16 × 61,336.35
  4. Step 4: Simplify right side
    101,623.14x = 8,602,125,912.88
  5. Step 5: Solve for x
    x = 8,602,125,912.88/101,623.14
  6. Step 6: Final answer
    x = 84,647.31

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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.