Home / 47,853.90-71,796.15-14,580.30

Finding the Fourth Proportional to 47,853.90, 71,796.15 and 14,580.30

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Solution

The fourth proportional to 47,853.90, 71,796.15 and 14,580.30 is: 21,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,853.90 : 71,796.15 = 14,580.30 : x
  2. Step 2: Convert to fraction form
    47,853.90/71,796.15 = 14,580.30/x
  3. Step 3: Cross multiply
    47,853.90x = 71,796.15 × 14,580.30
  4. Step 4: Simplify right side
    47,853.90x = 1,046,809,405.85
  5. Step 5: Solve for x
    x = 1,046,809,405.85/47,853.90
  6. Step 6: Final answer
    x = 21,875.11

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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.