Home / 79,738.04-110,039.90-43,927.80

Finding the Fourth Proportional to 79,738.04, 110,039.90 and 43,927.80

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Solution

The fourth proportional to 79,738.04, 110,039.90 and 43,927.80 is: 60,621.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,738.04 : 110,039.90 = 43,927.80 : x
  2. Step 2: Convert to fraction form
    79,738.04/110,039.90 = 43,927.80/x
  3. Step 3: Cross multiply
    79,738.04x = 110,039.90 × 43,927.80
  4. Step 4: Simplify right side
    79,738.04x = 4,833,810,719.22
  5. Step 5: Solve for x
    x = 4,833,810,719.22/79,738.04
  6. Step 6: Final answer
    x = 60,621.14

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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.