Home / 79,774.32-110,089.30-43,965.60

Finding the Fourth Proportional to 79,774.32, 110,089.30 and 43,965.60

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Solution

The fourth proportional to 79,774.32, 110,089.30 and 43,965.60 is: 60,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,774.32 : 110,089.30 = 43,965.60 : x
  2. Step 2: Convert to fraction form
    79,774.32/110,089.30 = 43,965.60/x
  3. Step 3: Cross multiply
    79,774.32x = 110,089.30 × 43,965.60
  4. Step 4: Simplify right side
    79,774.32x = 4,840,142,128.08
  5. Step 5: Solve for x
    x = 4,840,142,128.08/79,774.32
  6. Step 6: Final answer
    x = 60,672.93

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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.