Home / 57,538.48-86,219.80-38,749.04

Finding the Fourth Proportional to 57,538.48, 86,219.80 and 38,749.04

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Solution

The fourth proportional to 57,538.48, 86,219.80 and 38,749.04 is: 58,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,538.48 : 86,219.80 = 38,749.04 : x
  2. Step 2: Convert to fraction form
    57,538.48/86,219.80 = 38,749.04/x
  3. Step 3: Cross multiply
    57,538.48x = 86,219.80 × 38,749.04
  4. Step 4: Simplify right side
    57,538.48x = 3,340,934,478.99
  5. Step 5: Solve for x
    x = 3,340,934,478.99/57,538.48
  6. Step 6: Final answer
    x = 58,064.35

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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.