Home / 86,654.25-129,962.70-50,606.64

Finding the Fourth Proportional to 86,654.25, 129,962.70 and 50,606.64

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Solution

The fourth proportional to 86,654.25, 129,962.70 and 50,606.64 is: 75,899.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,654.25 : 129,962.70 = 50,606.64 : x
  2. Step 2: Convert to fraction form
    86,654.25/129,962.70 = 50,606.64/x
  3. Step 3: Cross multiply
    86,654.25x = 129,962.70 × 50,606.64
  4. Step 4: Simplify right side
    86,654.25x = 6,576,975,572.33
  5. Step 5: Solve for x
    x = 6,576,975,572.33/86,654.25
  6. Step 6: Final answer
    x = 75,899.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.