Home / 79,480.20-119,111.76-40,063.98

Finding the Fourth Proportional to 79,480.20, 119,111.76 and 40,063.98

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Solution

The fourth proportional to 79,480.20, 119,111.76 and 40,063.98 is: 60,041.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,480.20 : 119,111.76 = 40,063.98 : x
  2. Step 2: Convert to fraction form
    79,480.20/119,111.76 = 40,063.98/x
  3. Step 3: Cross multiply
    79,480.20x = 119,111.76 × 40,063.98
  4. Step 4: Simplify right side
    79,480.20x = 4,772,091,170.40
  5. Step 5: Solve for x
    x = 4,772,091,170.40/79,480.20
  6. Step 6: Final answer
    x = 60,041.26

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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.