Home / 79,218.60-118,827.90-41,764.20

Finding the Fourth Proportional to 79,218.60, 118,827.90 and 41,764.20

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Solution

The fourth proportional to 79,218.60, 118,827.90 and 41,764.20 is: 62,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,218.60 : 118,827.90 = 41,764.20 : x
  2. Step 2: Convert to fraction form
    79,218.60/118,827.90 = 41,764.20/x
  3. Step 3: Cross multiply
    79,218.60x = 118,827.90 × 41,764.20
  4. Step 4: Simplify right side
    79,218.60x = 4,962,752,181.18
  5. Step 5: Solve for x
    x = 4,962,752,181.18/79,218.60
  6. Step 6: Final answer
    x = 62,646.30

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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.