Home / 45,142.98-67,563.38-44,545.58

Finding the Fourth Proportional to 45,142.98, 67,563.38 and 44,545.58

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Solution

The fourth proportional to 45,142.98, 67,563.38 and 44,545.58 is: 66,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,142.98 : 67,563.38 = 44,545.58 : x
  2. Step 2: Convert to fraction form
    45,142.98/67,563.38 = 44,545.58/x
  3. Step 3: Cross multiply
    45,142.98x = 67,563.38 × 44,545.58
  4. Step 4: Simplify right side
    45,142.98x = 3,009,649,611.04
  5. Step 5: Solve for x
    x = 3,009,649,611.04/45,142.98
  6. Step 6: Final answer
    x = 66,669.27

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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.