Home / 83,619.68-125,316.48-46,123.56

Finding the Fourth Proportional to 83,619.68, 125,316.48 and 46,123.56

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Solution

The fourth proportional to 83,619.68, 125,316.48 and 46,123.56 is: 69,122.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,619.68 : 125,316.48 = 46,123.56 : x
  2. Step 2: Convert to fraction form
    83,619.68/125,316.48 = 46,123.56/x
  3. Step 3: Cross multiply
    83,619.68x = 125,316.48 × 46,123.56
  4. Step 4: Simplify right side
    83,619.68x = 5,780,042,184.27
  5. Step 5: Solve for x
    x = 5,780,042,184.27/83,619.68
  6. Step 6: Final answer
    x = 69,122.99

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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.