Home / 63,347.22-87,420.76-38,198.34

Finding the Fourth Proportional to 63,347.22, 87,420.76 and 38,198.34

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Solution

The fourth proportional to 63,347.22, 87,420.76 and 38,198.34 is: 52,714.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,347.22 : 87,420.76 = 38,198.34 : x
  2. Step 2: Convert to fraction form
    63,347.22/87,420.76 = 38,198.34/x
  3. Step 3: Cross multiply
    63,347.22x = 87,420.76 × 38,198.34
  4. Step 4: Simplify right side
    63,347.22x = 3,339,327,913.54
  5. Step 5: Solve for x
    x = 3,339,327,913.54/63,347.22
  6. Step 6: Final answer
    x = 52,714.67

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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.