Home / 63,677.18-87,847.25-39,762.33

Finding the Fourth Proportional to 63,677.18, 87,847.25 and 39,762.33

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Solution

The fourth proportional to 63,677.18, 87,847.25 and 39,762.33 is: 54,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,677.18 : 87,847.25 = 39,762.33 : x
  2. Step 2: Convert to fraction form
    63,677.18/87,847.25 = 39,762.33/x
  3. Step 3: Cross multiply
    63,677.18x = 87,847.25 × 39,762.33
  4. Step 4: Simplify right side
    63,677.18x = 3,493,011,145.28
  5. Step 5: Solve for x
    x = 3,493,011,145.28/63,677.18
  6. Step 6: Final answer
    x = 54,855.00

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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.