Home / 78,784.44-108,703.82-44,790.26

Finding the Fourth Proportional to 78,784.44, 108,703.82 and 44,790.26

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Solution

The fourth proportional to 78,784.44, 108,703.82 and 44,790.26 is: 61,799.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,784.44 : 108,703.82 = 44,790.26 : x
  2. Step 2: Convert to fraction form
    78,784.44/108,703.82 = 44,790.26/x
  3. Step 3: Cross multiply
    78,784.44x = 108,703.82 × 44,790.26
  4. Step 4: Simplify right side
    78,784.44x = 4,868,872,360.79
  5. Step 5: Solve for x
    x = 4,868,872,360.79/78,784.44
  6. Step 6: Final answer
    x = 61,799.92

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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.