Home / 104,943.03-157,461.07-55,011.21

Finding the Fourth Proportional to 104,943.03, 157,461.07 and 55,011.21

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Solution

The fourth proportional to 104,943.03, 157,461.07 and 55,011.21 is: 82,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,943.03 : 157,461.07 = 55,011.21 : x
  2. Step 2: Convert to fraction form
    104,943.03/157,461.07 = 55,011.21/x
  3. Step 3: Cross multiply
    104,943.03x = 157,461.07 × 55,011.21
  4. Step 4: Simplify right side
    104,943.03x = 8,662,123,063.76
  5. Step 5: Solve for x
    x = 8,662,123,063.76/104,943.03
  6. Step 6: Final answer
    x = 82,541.20

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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.