Home / 78,893.33-118,341.04-26,302.83

Finding the Fourth Proportional to 78,893.33, 118,341.04 and 26,302.83

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Solution

The fourth proportional to 78,893.33, 118,341.04 and 26,302.83 is: 39,454.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,893.33 : 118,341.04 = 26,302.83 : x
  2. Step 2: Convert to fraction form
    78,893.33/118,341.04 = 26,302.83/x
  3. Step 3: Cross multiply
    78,893.33x = 118,341.04 × 26,302.83
  4. Step 4: Simplify right side
    78,893.33x = 3,112,704,257.14
  5. Step 5: Solve for x
    x = 3,112,704,257.14/78,893.33
  6. Step 6: Final answer
    x = 39,454.59

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1.5x scale

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.