Home / 74,090.68-102,224.22-43,862.72

Finding the Fourth Proportional to 74,090.68, 102,224.22 and 43,862.72

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Solution

The fourth proportional to 74,090.68, 102,224.22 and 43,862.72 is: 60,518.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,090.68 : 102,224.22 = 43,862.72 : x
  2. Step 2: Convert to fraction form
    74,090.68/102,224.22 = 43,862.72/x
  3. Step 3: Cross multiply
    74,090.68x = 102,224.22 × 43,862.72
  4. Step 4: Simplify right side
    74,090.68x = 4,483,832,339.08
  5. Step 5: Solve for x
    x = 4,483,832,339.08/74,090.68
  6. Step 6: Final answer
    x = 60,518.17

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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.