Home / 69,630.90-96,090.76-37,799.78

Finding the Fourth Proportional to 69,630.90, 96,090.76 and 37,799.78

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Solution

The fourth proportional to 69,630.90, 96,090.76 and 37,799.78 is: 52,163.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,630.90 : 96,090.76 = 37,799.78 : x
  2. Step 2: Convert to fraction form
    69,630.90/96,090.76 = 37,799.78/x
  3. Step 3: Cross multiply
    69,630.90x = 96,090.76 × 37,799.78
  4. Step 4: Simplify right side
    69,630.90x = 3,632,209,588.03
  5. Step 5: Solve for x
    x = 3,632,209,588.03/69,630.90
  6. Step 6: Final answer
    x = 52,163.76

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1.5x scale

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.