Home / 104,873.28-144,726.40-57,127.02

Finding the Fourth Proportional to 104,873.28, 144,726.40 and 57,127.02

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Solution

The fourth proportional to 104,873.28, 144,726.40 and 57,127.02 is: 78,835.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,873.28 : 144,726.40 = 57,127.02 : x
  2. Step 2: Convert to fraction form
    104,873.28/144,726.40 = 57,127.02/x
  3. Step 3: Cross multiply
    104,873.28x = 144,726.40 × 57,127.02
  4. Step 4: Simplify right side
    104,873.28x = 8,267,787,947.33
  5. Step 5: Solve for x
    x = 8,267,787,947.33/104,873.28
  6. Step 6: Final answer
    x = 78,835.98

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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.