Home / 45,999.20-68,998.80-32,002.40

Finding the Fourth Proportional to 45,999.20, 68,998.80 and 32,002.40

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Solution

The fourth proportional to 45,999.20, 68,998.80 and 32,002.40 is: 48,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,999.20 : 68,998.80 = 32,002.40 : x
  2. Step 2: Convert to fraction form
    45,999.20/68,998.80 = 32,002.40/x
  3. Step 3: Cross multiply
    45,999.20x = 68,998.80 × 32,002.40
  4. Step 4: Simplify right side
    45,999.20x = 2,208,127,197.12
  5. Step 5: Solve for x
    x = 2,208,127,197.12/45,999.20
  6. Step 6: Final answer
    x = 48,003.60

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1.5x scale

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.