Home / 69,740.10-96,240.74-37,908.90

Finding the Fourth Proportional to 69,740.10, 96,240.74 and 37,908.90

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Solution

The fourth proportional to 69,740.10, 96,240.74 and 37,908.90 is: 52,313.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,740.10 : 96,240.74 = 37,908.90 : x
  2. Step 2: Convert to fraction form
    69,740.10/96,240.74 = 37,908.90/x
  3. Step 3: Cross multiply
    69,740.10x = 96,240.74 × 37,908.90
  4. Step 4: Simplify right side
    69,740.10x = 3,648,380,588.59
  5. Step 5: Solve for x
    x = 3,648,380,588.59/69,740.10
  6. Step 6: Final answer
    x = 52,313.96

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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.