Home / 104,943.11-157,461.12-55,011.33

Finding the Fourth Proportional to 104,943.11, 157,461.12 and 55,011.33

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Solution

The fourth proportional to 104,943.11, 157,461.12 and 55,011.33 is: 82,541.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,943.11 : 157,461.12 = 55,011.33 : x
  2. Step 2: Convert to fraction form
    104,943.11/157,461.12 = 55,011.33/x
  3. Step 3: Cross multiply
    104,943.11x = 157,461.12 × 55,011.33
  4. Step 4: Simplify right side
    104,943.11x = 8,662,145,634.49
  5. Step 5: Solve for x
    x = 8,662,145,634.49/104,943.11
  6. Step 6: Final answer
    x = 82,541.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.