Home / 63,754.08-87,928.29-56,589.23

Finding the Fourth Proportional to 63,754.08, 87,928.29 and 56,589.23

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Solution

The fourth proportional to 63,754.08, 87,928.29 and 56,589.23 is: 78,046.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,754.08 : 87,928.29 = 56,589.23 : x
  2. Step 2: Convert to fraction form
    63,754.08/87,928.29 = 56,589.23/x
  3. Step 3: Cross multiply
    63,754.08x = 87,928.29 × 56,589.23
  4. Step 4: Simplify right side
    63,754.08x = 4,975,793,786.68
  5. Step 5: Solve for x
    x = 4,975,793,786.68/63,754.08
  6. Step 6: Final answer
    x = 78,046.67

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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.