Home / 63,308.37-87,377.24-40,675.67

Finding the Fourth Proportional to 63,308.37, 87,377.24 and 40,675.67

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Solution

The fourth proportional to 63,308.37, 87,377.24 and 40,675.67 is: 56,139.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,308.37 : 87,377.24 = 40,675.67 : x
  2. Step 2: Convert to fraction form
    63,308.37/87,377.24 = 40,675.67/x
  3. Step 3: Cross multiply
    63,308.37x = 87,377.24 × 40,675.67
  4. Step 4: Simplify right side
    63,308.37x = 3,554,127,139.49
  5. Step 5: Solve for x
    x = 3,554,127,139.49/63,308.37
  6. Step 6: Final answer
    x = 56,139.92

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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.