Home / 89,723.04-123,817.76-52,019.12

Finding the Fourth Proportional to 89,723.04, 123,817.76 and 52,019.12

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Solution

The fourth proportional to 89,723.04, 123,817.76 and 52,019.12 is: 71,786.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,723.04 : 123,817.76 = 52,019.12 : x
  2. Step 2: Convert to fraction form
    89,723.04/123,817.76 = 52,019.12/x
  3. Step 3: Cross multiply
    89,723.04x = 123,817.76 × 52,019.12
  4. Step 4: Simplify right side
    89,723.04x = 6,440,890,915.57
  5. Step 5: Solve for x
    x = 6,440,890,915.57/89,723.04
  6. Step 6: Final answer
    x = 71,786.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.