Home / 86,458.47-129,676.77-23,283.64

Finding the Fourth Proportional to 86,458.47, 129,676.77 and 23,283.64

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Solution

The fourth proportional to 86,458.47, 129,676.77 and 23,283.64 is: 34,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,458.47 : 129,676.77 = 23,283.64 : x
  2. Step 2: Convert to fraction form
    86,458.47/129,676.77 = 23,283.64/x
  3. Step 3: Cross multiply
    86,458.47x = 129,676.77 × 23,283.64
  4. Step 4: Simplify right side
    86,458.47x = 3,019,347,229.04
  5. Step 5: Solve for x
    x = 3,019,347,229.04/86,458.47
  6. Step 6: Final answer
    x = 34,922.52

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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.