Home / 104,871.28-144,723.63-57,125.02

Finding the Fourth Proportional to 104,871.28, 144,723.63 and 57,125.02

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Solution

The fourth proportional to 104,871.28, 144,723.63 and 57,125.02 is: 78,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,871.28 : 144,723.63 = 57,125.02 : x
  2. Step 2: Convert to fraction form
    104,871.28/144,723.63 = 57,125.02/x
  3. Step 3: Cross multiply
    104,871.28x = 144,723.63 × 57,125.02
  4. Step 4: Simplify right side
    104,871.28x = 8,267,340,258.22
  5. Step 5: Solve for x
    x = 8,267,340,258.22/104,871.28
  6. Step 6: Final answer
    x = 78,833.22

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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.