Home / 79,281.40-109,409.38-43,471.32

Finding the Fourth Proportional to 79,281.40, 109,409.38 and 43,471.32

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Solution

The fourth proportional to 79,281.40, 109,409.38 and 43,471.32 is: 59,991.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,281.40 : 109,409.38 = 43,471.32 : x
  2. Step 2: Convert to fraction form
    79,281.40/109,409.38 = 43,471.32/x
  3. Step 3: Cross multiply
    79,281.40x = 109,409.38 × 43,471.32
  4. Step 4: Simplify right side
    79,281.40x = 4,756,170,168.98
  5. Step 5: Solve for x
    x = 4,756,170,168.98/79,281.40
  6. Step 6: Final answer
    x = 59,991.00

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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.