Home / 79,370.20-109,527.40-43,560.80

Finding the Fourth Proportional to 79,370.20, 109,527.40 and 43,560.80

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Solution

The fourth proportional to 79,370.20, 109,527.40 and 43,560.80 is: 60,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,370.20 : 109,527.40 = 43,560.80 : x
  2. Step 2: Convert to fraction form
    79,370.20/109,527.40 = 43,560.80/x
  3. Step 3: Cross multiply
    79,370.20x = 109,527.40 × 43,560.80
  4. Step 4: Simplify right side
    79,370.20x = 4,771,101,165.92
  5. Step 5: Solve for x
    x = 4,771,101,165.92/79,370.20
  6. Step 6: Final answer
    x = 60,112.00

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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.