Home / 57,609.90-86,362.20-48,782.07

Finding the Fourth Proportional to 57,609.90, 86,362.20 and 48,782.07

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Solution

The fourth proportional to 57,609.90, 86,362.20 and 48,782.07 is: 73,128.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,609.90 : 86,362.20 = 48,782.07 : x
  2. Step 2: Convert to fraction form
    57,609.90/86,362.20 = 48,782.07/x
  3. Step 3: Cross multiply
    57,609.90x = 86,362.20 × 48,782.07
  4. Step 4: Simplify right side
    57,609.90x = 4,212,926,885.75
  5. Step 5: Solve for x
    x = 4,212,926,885.75/57,609.90
  6. Step 6: Final answer
    x = 73,128.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.