Home / 74,301.63-102,536.23-42,471.21

Finding the Fourth Proportional to 74,301.63, 102,536.23 and 42,471.21

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Solution

The fourth proportional to 74,301.63, 102,536.23 and 42,471.21 is: 58,610.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,301.63 : 102,536.23 = 42,471.21 : x
  2. Step 2: Convert to fraction form
    74,301.63/102,536.23 = 42,471.21/x
  3. Step 3: Cross multiply
    74,301.63x = 102,536.23 × 42,471.21
  4. Step 4: Simplify right side
    74,301.63x = 4,354,837,606.78
  5. Step 5: Solve for x
    x = 4,354,837,606.78/74,301.63
  6. Step 6: Final answer
    x = 58,610.26

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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.