Home / 79,444.09-109,632.90-43,635.88

Finding the Fourth Proportional to 79,444.09, 109,632.90 and 43,635.88

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Solution

The fourth proportional to 79,444.09, 109,632.90 and 43,635.88 is: 60,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,444.09 : 109,632.90 = 43,635.88 : x
  2. Step 2: Convert to fraction form
    79,444.09/109,632.90 = 43,635.88/x
  3. Step 3: Cross multiply
    79,444.09x = 109,632.90 × 43,635.88
  4. Step 4: Simplify right side
    79,444.09x = 4,783,928,068.45
  5. Step 5: Solve for x
    x = 4,783,928,068.45/79,444.09
  6. Step 6: Final answer
    x = 60,217.55

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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.