Home / 45,910.40-68,875.20-14,748.80

Finding the Fourth Proportional to 45,910.40, 68,875.20 and 14,748.80

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Solution

The fourth proportional to 45,910.40, 68,875.20 and 14,748.80 is: 22,126.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,910.40 : 68,875.20 = 14,748.80 : x
  2. Step 2: Convert to fraction form
    45,910.40/68,875.20 = 14,748.80/x
  3. Step 3: Cross multiply
    45,910.40x = 68,875.20 × 14,748.80
  4. Step 4: Simplify right side
    45,910.40x = 1,015,826,549.76
  5. Step 5: Solve for x
    x = 1,015,826,549.76/45,910.40
  6. Step 6: Final answer
    x = 22,126.28

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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.