Home / 112,023.24-154,584.96-61,722.24

Finding the Fourth Proportional to 112,023.24, 154,584.96 and 61,722.24

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Solution

The fourth proportional to 112,023.24, 154,584.96 and 61,722.24 is: 85,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,023.24 : 154,584.96 = 61,722.24 : x
  2. Step 2: Convert to fraction form
    112,023.24/154,584.96 = 61,722.24/x
  3. Step 3: Cross multiply
    112,023.24x = 154,584.96 × 61,722.24
  4. Step 4: Simplify right side
    112,023.24x = 9,541,330,001.51
  5. Step 5: Solve for x
    x = 9,541,330,001.51/112,023.24
  6. Step 6: Final answer
    x = 85,172.77

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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.