Home / 74,564.01-102,936.45-57,529.98

Finding the Fourth Proportional to 74,564.01, 102,936.45 and 57,529.98

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Solution

The fourth proportional to 74,564.01, 102,936.45 and 57,529.98 is: 79,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,564.01 : 102,936.45 = 57,529.98 : x
  2. Step 2: Convert to fraction form
    74,564.01/102,936.45 = 57,529.98/x
  3. Step 3: Cross multiply
    74,564.01x = 102,936.45 × 57,529.98
  4. Step 4: Simplify right side
    74,564.01x = 5,921,932,125.51
  5. Step 5: Solve for x
    x = 5,921,932,125.51/74,564.01
  6. Step 6: Final answer
    x = 79,420.78

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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.