Home / 106,054.40-159,029.76-61,696.64

Finding the Fourth Proportional to 106,054.40, 159,029.76 and 61,696.64

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Solution

The fourth proportional to 106,054.40, 159,029.76 and 61,696.64 is: 92,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,054.40 : 159,029.76 = 61,696.64 : x
  2. Step 2: Convert to fraction form
    106,054.40/159,029.76 = 61,696.64/x
  3. Step 3: Cross multiply
    106,054.40x = 159,029.76 × 61,696.64
  4. Step 4: Simplify right side
    106,054.40x = 9,811,601,852.01
  5. Step 5: Solve for x
    x = 9,811,601,852.01/106,054.40
  6. Step 6: Final answer
    x = 92,514.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.