Home / 57,582.01-86,355.60-20,135.11

Finding the Fourth Proportional to 57,582.01, 86,355.60 and 20,135.11

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Solution

The fourth proportional to 57,582.01, 86,355.60 and 20,135.11 is: 30,196.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,582.01 : 86,355.60 = 20,135.11 : x
  2. Step 2: Convert to fraction form
    57,582.01/86,355.60 = 20,135.11/x
  3. Step 3: Cross multiply
    57,582.01x = 86,355.60 × 20,135.11
  4. Step 4: Simplify right side
    57,582.01x = 1,738,779,505.12
  5. Step 5: Solve for x
    x = 1,738,779,505.12/57,582.01
  6. Step 6: Final answer
    x = 30,196.58

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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.