Home / 122,628.48-183,903.84-52,488.96

Finding the Fourth Proportional to 122,628.48, 183,903.84 and 52,488.96

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Solution

The fourth proportional to 122,628.48, 183,903.84 and 52,488.96 is: 78,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,628.48 : 183,903.84 = 52,488.96 : x
  2. Step 2: Convert to fraction form
    122,628.48/183,903.84 = 52,488.96/x
  3. Step 3: Cross multiply
    122,628.48x = 183,903.84 × 52,488.96
  4. Step 4: Simplify right side
    122,628.48x = 9,652,921,301.61
  5. Step 5: Solve for x
    x = 9,652,921,301.61/122,628.48
  6. Step 6: Final answer
    x = 78,716.80

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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.