Home / 79,555.23-109,782.14-43,744.32

Finding the Fourth Proportional to 79,555.23, 109,782.14 and 43,744.32

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Solution

The fourth proportional to 79,555.23, 109,782.14 and 43,744.32 is: 60,364.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,555.23 : 109,782.14 = 43,744.32 : x
  2. Step 2: Convert to fraction form
    79,555.23/109,782.14 = 43,744.32/x
  3. Step 3: Cross multiply
    79,555.23x = 109,782.14 × 43,744.32
  4. Step 4: Simplify right side
    79,555.23x = 4,802,344,843.72
  5. Step 5: Solve for x
    x = 4,802,344,843.72/79,555.23
  6. Step 6: Final answer
    x = 60,364.92

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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.