Home / 89,145.40-133,653.30-36,527.80

Finding the Fourth Proportional to 89,145.40, 133,653.30 and 36,527.80

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Solution

The fourth proportional to 89,145.40, 133,653.30 and 36,527.80 is: 54,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,145.40 : 133,653.30 = 36,527.80 : x
  2. Step 2: Convert to fraction form
    89,145.40/133,653.30 = 36,527.80/x
  3. Step 3: Cross multiply
    89,145.40x = 133,653.30 × 36,527.80
  4. Step 4: Simplify right side
    89,145.40x = 4,882,061,011.74
  5. Step 5: Solve for x
    x = 4,882,061,011.74/89,145.40
  6. Step 6: Final answer
    x = 54,765.15

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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.