Home / 74,045.71-102,141.56-45,379.26

Finding the Fourth Proportional to 74,045.71, 102,141.56 and 45,379.26

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Solution

The fourth proportional to 74,045.71, 102,141.56 and 45,379.26 is: 62,597.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,045.71 : 102,141.56 = 45,379.26 : x
  2. Step 2: Convert to fraction form
    74,045.71/102,141.56 = 45,379.26/x
  3. Step 3: Cross multiply
    74,045.71x = 102,141.56 × 45,379.26
  4. Step 4: Simplify right side
    74,045.71x = 4,635,108,553.51
  5. Step 5: Solve for x
    x = 4,635,108,553.51/74,045.71
  6. Step 6: Final answer
    x = 62,597.94

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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.