Home / 74,722.28-111,958.84-61,436.24

Finding the Fourth Proportional to 74,722.28, 111,958.84 and 61,436.24

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Solution

The fourth proportional to 74,722.28, 111,958.84 and 61,436.24 is: 92,051.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,722.28 : 111,958.84 = 61,436.24 : x
  2. Step 2: Convert to fraction form
    74,722.28/111,958.84 = 61,436.24/x
  3. Step 3: Cross multiply
    74,722.28x = 111,958.84 × 61,436.24
  4. Step 4: Simplify right side
    74,722.28x = 6,878,330,164.36
  5. Step 5: Solve for x
    x = 6,878,330,164.36/74,722.28
  6. Step 6: Final answer
    x = 92,051.93

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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.