Home / 47,982.40-71,973.60-14,702.20

Finding the Fourth Proportional to 47,982.40, 71,973.60 and 14,702.20

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Solution

The fourth proportional to 47,982.40, 71,973.60 and 14,702.20 is: 22,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,982.40 : 71,973.60 = 14,702.20 : x
  2. Step 2: Convert to fraction form
    47,982.40/71,973.60 = 14,702.20/x
  3. Step 3: Cross multiply
    47,982.40x = 71,973.60 × 14,702.20
  4. Step 4: Simplify right side
    47,982.40x = 1,058,170,261.92
  5. Step 5: Solve for x
    x = 1,058,170,261.92/47,982.40
  6. Step 6: Final answer
    x = 22,053.30

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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.