Home / 112,164.03-154,785.65-61,863.03

Finding the Fourth Proportional to 112,164.03, 154,785.65 and 61,863.03

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Solution

The fourth proportional to 112,164.03, 154,785.65 and 61,863.03 is: 85,370.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,164.03 : 154,785.65 = 61,863.03 : x
  2. Step 2: Convert to fraction form
    112,164.03/154,785.65 = 61,863.03/x
  3. Step 3: Cross multiply
    112,164.03x = 154,785.65 × 61,863.03
  4. Step 4: Simplify right side
    112,164.03x = 9,575,509,000.20
  5. Step 5: Solve for x
    x = 9,575,509,000.20/112,164.03
  6. Step 6: Final answer
    x = 85,370.59

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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.