Home / 110,047.40-151,869.09-61,651.42

Finding the Fourth Proportional to 110,047.40, 151,869.09 and 61,651.42

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Solution

The fourth proportional to 110,047.40, 151,869.09 and 61,651.42 is: 85,081.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,047.40 : 151,869.09 = 61,651.42 : x
  2. Step 2: Convert to fraction form
    110,047.40/151,869.09 = 61,651.42/x
  3. Step 3: Cross multiply
    110,047.40x = 151,869.09 × 61,651.42
  4. Step 4: Simplify right side
    110,047.40x = 9,362,945,052.61
  5. Step 5: Solve for x
    x = 9,362,945,052.61/110,047.40
  6. Step 6: Final answer
    x = 85,081.02

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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.