Home / 63,231.55-87,300.23-40,580.30

Finding the Fourth Proportional to 63,231.55, 87,300.23 and 40,580.30

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Solution

The fourth proportional to 63,231.55, 87,300.23 and 40,580.30 is: 56,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,231.55 : 87,300.23 = 40,580.30 : x
  2. Step 2: Convert to fraction form
    63,231.55/87,300.23 = 40,580.30/x
  3. Step 3: Cross multiply
    63,231.55x = 87,300.23 × 40,580.30
  4. Step 4: Simplify right side
    63,231.55x = 3,542,669,538.82
  5. Step 5: Solve for x
    x = 3,542,669,538.82/63,231.55
  6. Step 6: Final answer
    x = 56,026.93

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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.