Home / 104,803.28-144,629.40-57,056.96

Finding the Fourth Proportional to 104,803.28, 144,629.40 and 57,056.96

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Solution

The fourth proportional to 104,803.28, 144,629.40 and 57,056.96 is: 78,739.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,803.28 : 144,629.40 = 57,056.96 : x
  2. Step 2: Convert to fraction form
    104,803.28/144,629.40 = 57,056.96/x
  3. Step 3: Cross multiply
    104,803.28x = 144,629.40 × 57,056.96
  4. Step 4: Simplify right side
    104,803.28x = 8,252,113,890.62
  5. Step 5: Solve for x
    x = 8,252,113,890.62/104,803.28
  6. Step 6: Final answer
    x = 78,739.08

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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.