Home / 86,458.88-129,614.40-33,189.12

Finding the Fourth Proportional to 86,458.88, 129,614.40 and 33,189.12

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Solution

The fourth proportional to 86,458.88, 129,614.40 and 33,189.12 is: 49,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,458.88 : 129,614.40 = 33,189.12 : x
  2. Step 2: Convert to fraction form
    86,458.88/129,614.40 = 33,189.12/x
  3. Step 3: Cross multiply
    86,458.88x = 129,614.40 × 33,189.12
  4. Step 4: Simplify right side
    86,458.88x = 4,301,787,875.33
  5. Step 5: Solve for x
    x = 4,301,787,875.33/86,458.88
  6. Step 6: Final answer
    x = 49,755.30

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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.