Home / 91,826.87-137,726.53-43,783.34

Finding the Fourth Proportional to 91,826.87, 137,726.53 and 43,783.34

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Solution

The fourth proportional to 91,826.87, 137,726.53 and 43,783.34 is: 65,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,826.87 : 137,726.53 = 43,783.34 : x
  2. Step 2: Convert to fraction form
    91,826.87/137,726.53 = 43,783.34/x
  3. Step 3: Cross multiply
    91,826.87x = 137,726.53 × 43,783.34
  4. Step 4: Simplify right side
    91,826.87x = 6,030,126,691.92
  5. Step 5: Solve for x
    x = 6,030,126,691.92/91,826.87
  6. Step 6: Final answer
    x = 65,668.44

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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.