Home / 74,636.27-102,999.90-45,945.26

Finding the Fourth Proportional to 74,636.27, 102,999.90 and 45,945.26

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Solution

The fourth proportional to 74,636.27, 102,999.90 and 45,945.26 is: 63,405.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,636.27 : 102,999.90 = 45,945.26 : x
  2. Step 2: Convert to fraction form
    74,636.27/102,999.90 = 45,945.26/x
  3. Step 3: Cross multiply
    74,636.27x = 102,999.90 × 45,945.26
  4. Step 4: Simplify right side
    74,636.27x = 4,732,356,670.47
  5. Step 5: Solve for x
    x = 4,732,356,670.47/74,636.27
  6. Step 6: Final answer
    x = 63,405.59

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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.