Home / 79,010.40-118,515.60-51,016.80

Finding the Fourth Proportional to 79,010.40, 118,515.60 and 51,016.80

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Solution

The fourth proportional to 79,010.40, 118,515.60 and 51,016.80 is: 76,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,010.40 : 118,515.60 = 51,016.80 : x
  2. Step 2: Convert to fraction form
    79,010.40/118,515.60 = 51,016.80/x
  3. Step 3: Cross multiply
    79,010.40x = 118,515.60 × 51,016.80
  4. Step 4: Simplify right side
    79,010.40x = 6,046,286,662.08
  5. Step 5: Solve for x
    x = 6,046,286,662.08/79,010.40
  6. Step 6: Final answer
    x = 76,525.20

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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.