Home / 122,523.03-183,715.70-42,523.79

Finding the Fourth Proportional to 122,523.03, 183,715.70 and 42,523.79

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Solution

The fourth proportional to 122,523.03, 183,715.70 and 42,523.79 is: 63,761.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,523.03 : 183,715.70 = 42,523.79 : x
  2. Step 2: Convert to fraction form
    122,523.03/183,715.70 = 42,523.79/x
  3. Step 3: Cross multiply
    122,523.03x = 183,715.70 × 42,523.79
  4. Step 4: Simplify right side
    122,523.03x = 7,812,286,715.31
  5. Step 5: Solve for x
    x = 7,812,286,715.31/122,523.03
  6. Step 6: Final answer
    x = 63,761.78

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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.