Home / 69,670.14-96,150.78-39,460.80

Finding the Fourth Proportional to 69,670.14, 96,150.78 and 39,460.80

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Solution

The fourth proportional to 69,670.14, 96,150.78 and 39,460.80 is: 54,459.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,670.14 : 96,150.78 = 39,460.80 : x
  2. Step 2: Convert to fraction form
    69,670.14/96,150.78 = 39,460.80/x
  3. Step 3: Cross multiply
    69,670.14x = 96,150.78 × 39,460.80
  4. Step 4: Simplify right side
    69,670.14x = 3,794,186,699.42
  5. Step 5: Solve for x
    x = 3,794,186,699.42/69,670.14
  6. Step 6: Final answer
    x = 54,459.29

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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.