Home / 78,849.01-118,228.06-53,919.26

Finding the Fourth Proportional to 78,849.01, 118,228.06 and 53,919.26

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Solution

The fourth proportional to 78,849.01, 118,228.06 and 53,919.26 is: 80,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,849.01 : 118,228.06 = 53,919.26 : x
  2. Step 2: Convert to fraction form
    78,849.01/118,228.06 = 53,919.26/x
  3. Step 3: Cross multiply
    78,849.01x = 118,228.06 × 53,919.26
  4. Step 4: Simplify right side
    78,849.01x = 6,374,769,506.44
  5. Step 5: Solve for x
    x = 6,374,769,506.44/78,849.01
  6. Step 6: Final answer
    x = 80,847.81

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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.