Home / 69,742.05-96,242.90-37,911.75

Finding the Fourth Proportional to 69,742.05, 96,242.90 and 37,911.75

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Solution

The fourth proportional to 69,742.05, 96,242.90 and 37,911.75 is: 52,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,742.05 : 96,242.90 = 37,911.75 : x
  2. Step 2: Convert to fraction form
    69,742.05/96,242.90 = 37,911.75/x
  3. Step 3: Cross multiply
    69,742.05x = 96,242.90 × 37,911.75
  4. Step 4: Simplify right side
    69,742.05x = 3,648,736,574.52
  5. Step 5: Solve for x
    x = 3,648,736,574.52/69,742.05
  6. Step 6: Final answer
    x = 52,317.60

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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.