Home / 76,759.48-115,154.74-32,386.34

Finding the Fourth Proportional to 76,759.48, 115,154.74 and 32,386.34

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Solution

The fourth proportional to 76,759.48, 115,154.74 and 32,386.34 is: 48,586.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,759.48 : 115,154.74 = 32,386.34 : x
  2. Step 2: Convert to fraction form
    76,759.48/115,154.74 = 32,386.34/x
  3. Step 3: Cross multiply
    76,759.48x = 115,154.74 × 32,386.34
  4. Step 4: Simplify right side
    76,759.48x = 3,729,440,562.25
  5. Step 5: Solve for x
    x = 3,729,440,562.25/76,759.48
  6. Step 6: Final answer
    x = 48,586.06

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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.