Home / 78,904.26-108,886.19-43,094.42

Finding the Fourth Proportional to 78,904.26, 108,886.19 and 43,094.42

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Solution

The fourth proportional to 78,904.26, 108,886.19 and 43,094.42 is: 59,469.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,904.26 : 108,886.19 = 43,094.42 : x
  2. Step 2: Convert to fraction form
    78,904.26/108,886.19 = 43,094.42/x
  3. Step 3: Cross multiply
    78,904.26x = 108,886.19 × 43,094.42
  4. Step 4: Simplify right side
    78,904.26x = 4,692,386,767.36
  5. Step 5: Solve for x
    x = 4,692,386,767.36/78,904.26
  6. Step 6: Final answer
    x = 59,469.37

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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.