Home / 122,279.13-183,383.01-47,382.57

Finding the Fourth Proportional to 122,279.13, 183,383.01 and 47,382.57

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Solution

The fourth proportional to 122,279.13, 183,383.01 and 47,382.57 is: 71,060.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,279.13 : 183,383.01 = 47,382.57 : x
  2. Step 2: Convert to fraction form
    122,279.13/183,383.01 = 47,382.57/x
  3. Step 3: Cross multiply
    122,279.13x = 183,383.01 × 47,382.57
  4. Step 4: Simplify right side
    122,279.13x = 8,689,158,308.14
  5. Step 5: Solve for x
    x = 8,689,158,308.14/122,279.13
  6. Step 6: Final answer
    x = 71,060.03

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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.