Home / 47,870.88-71,742.96-36,735

Finding the Fourth Proportional to 47,870.88, 71,742.96 and 36,735

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Solution

The fourth proportional to 47,870.88, 71,742.96 and 36,735 is: 55,053.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,870.88 : 71,742.96 = 36,735 : x
  2. Step 2: Convert to fraction form
    47,870.88/71,742.96 = 36,735/x
  3. Step 3: Cross multiply
    47,870.88x = 71,742.96 × 36,735
  4. Step 4: Simplify right side
    47,870.88x = 2,635,477,635.60
  5. Step 5: Solve for x
    x = 2,635,477,635.60/47,870.88
  6. Step 6: Final answer
    x = 55,053.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.