Home / 74,636.93-102,999.06-40,645.48

Finding the Fourth Proportional to 74,636.93, 102,999.06 and 40,645.48

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Solution

The fourth proportional to 74,636.93, 102,999.06 and 40,645.48 is: 56,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,636.93 : 102,999.06 = 40,645.48 : x
  2. Step 2: Convert to fraction form
    74,636.93/102,999.06 = 40,645.48/x
  3. Step 3: Cross multiply
    74,636.93x = 102,999.06 × 40,645.48
  4. Step 4: Simplify right side
    74,636.93x = 4,186,446,233.25
  5. Step 5: Solve for x
    x = 4,186,446,233.25/74,636.93
  6. Step 6: Final answer
    x = 56,090.82

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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.