Home / 47,985.80-71,984.10-14,705.60

Finding the Fourth Proportional to 47,985.80, 71,984.10 and 14,705.60

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Solution

The fourth proportional to 47,985.80, 71,984.10 and 14,705.60 is: 22,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,985.80 : 71,984.10 = 14,705.60 : x
  2. Step 2: Convert to fraction form
    47,985.80/71,984.10 = 14,705.60/x
  3. Step 3: Cross multiply
    47,985.80x = 71,984.10 × 14,705.60
  4. Step 4: Simplify right side
    47,985.80x = 1,058,569,380.96
  5. Step 5: Solve for x
    x = 1,058,569,380.96/47,985.80
  6. Step 6: Final answer
    x = 22,060.05

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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.