Home / 89,063.40-133,422.30-49,549.80

Finding the Fourth Proportional to 89,063.40, 133,422.30 and 49,549.80

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Solution

The fourth proportional to 89,063.40, 133,422.30 and 49,549.80 is: 74,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,063.40 : 133,422.30 = 49,549.80 : x
  2. Step 2: Convert to fraction form
    89,063.40/133,422.30 = 49,549.80/x
  3. Step 3: Cross multiply
    89,063.40x = 133,422.30 × 49,549.80
  4. Step 4: Simplify right side
    89,063.40x = 6,611,048,280.54
  5. Step 5: Solve for x
    x = 6,611,048,280.54/89,063.40
  6. Step 6: Final answer
    x = 74,228.56

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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.