Home / 74,354.34-102,605.48-40,362.06

Finding the Fourth Proportional to 74,354.34, 102,605.48 and 40,362.06

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Solution

The fourth proportional to 74,354.34, 102,605.48 and 40,362.06 is: 55,697.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,354.34 : 102,605.48 = 40,362.06 : x
  2. Step 2: Convert to fraction form
    74,354.34/102,605.48 = 40,362.06/x
  3. Step 3: Cross multiply
    74,354.34x = 102,605.48 × 40,362.06
  4. Step 4: Simplify right side
    74,354.34x = 4,141,368,540.09
  5. Step 5: Solve for x
    x = 4,141,368,540.09/74,354.34
  6. Step 6: Final answer
    x = 55,697.74

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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.