Home / 79,272.98-109,338.75-50,612.34

Finding the Fourth Proportional to 79,272.98, 109,338.75 and 50,612.34

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Solution

The fourth proportional to 79,272.98, 109,338.75 and 50,612.34 is: 69,808.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,272.98 : 109,338.75 = 50,612.34 : x
  2. Step 2: Convert to fraction form
    79,272.98/109,338.75 = 50,612.34/x
  3. Step 3: Cross multiply
    79,272.98x = 109,338.75 × 50,612.34
  4. Step 4: Simplify right side
    79,272.98x = 5,533,889,990.18
  5. Step 5: Solve for x
    x = 5,533,889,990.18/79,272.98
  6. Step 6: Final answer
    x = 69,808.03

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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.