Home / 57,141.80-78,856.27-34,476.41

Finding the Fourth Proportional to 57,141.80, 78,856.27 and 34,476.41

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Solution

The fourth proportional to 57,141.80, 78,856.27 and 34,476.41 is: 47,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,141.80 : 78,856.27 = 34,476.41 : x
  2. Step 2: Convert to fraction form
    57,141.80/78,856.27 = 34,476.41/x
  3. Step 3: Cross multiply
    57,141.80x = 78,856.27 × 34,476.41
  4. Step 4: Simplify right side
    57,141.80x = 2,718,680,984.76
  5. Step 5: Solve for x
    x = 2,718,680,984.76/57,141.80
  6. Step 6: Final answer
    x = 47,577.79

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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.