Home / 76,845.04-105,977.03-48,167.60

Finding the Fourth Proportional to 76,845.04, 105,977.03 and 48,167.60

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Solution

The fourth proportional to 76,845.04, 105,977.03 and 48,167.60 is: 66,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,845.04 : 105,977.03 = 48,167.60 : x
  2. Step 2: Convert to fraction form
    76,845.04/105,977.03 = 48,167.60/x
  3. Step 3: Cross multiply
    76,845.04x = 105,977.03 × 48,167.60
  4. Step 4: Simplify right side
    76,845.04x = 5,104,658,419.50
  5. Step 5: Solve for x
    x = 5,104,658,419.50/76,845.04
  6. Step 6: Final answer
    x = 66,427.95

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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.