Home / 79,808.07-110,135.85-43,999.35

Finding the Fourth Proportional to 79,808.07, 110,135.85 and 43,999.35

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Solution

The fourth proportional to 79,808.07, 110,135.85 and 43,999.35 is: 60,719.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,808.07 : 110,135.85 = 43,999.35 : x
  2. Step 2: Convert to fraction form
    79,808.07/110,135.85 = 43,999.35/x
  3. Step 3: Cross multiply
    79,808.07x = 110,135.85 × 43,999.35
  4. Step 4: Simplify right side
    79,808.07x = 4,845,905,811.70
  5. Step 5: Solve for x
    x = 4,845,905,811.70/79,808.07
  6. Step 6: Final answer
    x = 60,719.50

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1.5x scale

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.