Home / 104,844.56-144,688.08-57,100.50

Finding the Fourth Proportional to 104,844.56, 144,688.08 and 57,100.50

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Solution

The fourth proportional to 104,844.56, 144,688.08 and 57,100.50 is: 78,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,844.56 : 144,688.08 = 57,100.50 : x
  2. Step 2: Convert to fraction form
    104,844.56/144,688.08 = 57,100.50/x
  3. Step 3: Cross multiply
    104,844.56x = 144,688.08 × 57,100.50
  4. Step 4: Simplify right side
    104,844.56x = 8,261,761,712.04
  5. Step 5: Solve for x
    x = 8,261,761,712.04/104,844.56
  6. Step 6: Final answer
    x = 78,800.10

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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.