Home / 63,324.90-87,555.33-55,451.70

Finding the Fourth Proportional to 63,324.90, 87,555.33 and 55,451.70

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Solution

The fourth proportional to 63,324.90, 87,555.33 and 55,451.70 is: 76,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,324.90 : 87,555.33 = 55,451.70 : x
  2. Step 2: Convert to fraction form
    63,324.90/87,555.33 = 55,451.70/x
  3. Step 3: Cross multiply
    63,324.90x = 87,555.33 × 55,451.70
  4. Step 4: Simplify right side
    63,324.90x = 4,855,091,892.56
  5. Step 5: Solve for x
    x = 4,855,091,892.56/63,324.90
  6. Step 6: Final answer
    x = 76,669.55

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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.