Home / 55,916.07-77,165.10-30,422.94

Finding the Fourth Proportional to 55,916.07, 77,165.10 and 30,422.94

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Solution

The fourth proportional to 55,916.07, 77,165.10 and 30,422.94 is: 41,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,916.07 : 77,165.10 = 30,422.94 : x
  2. Step 2: Convert to fraction form
    55,916.07/77,165.10 = 30,422.94/x
  3. Step 3: Cross multiply
    55,916.07x = 77,165.10 × 30,422.94
  4. Step 4: Simplify right side
    55,916.07x = 2,347,589,207.39
  5. Step 5: Solve for x
    x = 2,347,589,207.39/55,916.07
  6. Step 6: Final answer
    x = 41,984.16

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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.