Home / 69,975.81-96,549.39-42,744.96

Finding the Fourth Proportional to 69,975.81, 96,549.39 and 42,744.96

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Solution

The fourth proportional to 69,975.81, 96,549.39 and 42,744.96 is: 58,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,975.81 : 96,549.39 = 42,744.96 : x
  2. Step 2: Convert to fraction form
    69,975.81/96,549.39 = 42,744.96/x
  3. Step 3: Cross multiply
    69,975.81x = 96,549.39 × 42,744.96
  4. Step 4: Simplify right side
    69,975.81x = 4,126,999,813.57
  5. Step 5: Solve for x
    x = 4,126,999,813.57/69,975.81
  6. Step 6: Final answer
    x = 58,977.52

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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.