Home / 86,446.43-129,669.64-27,323.62

Finding the Fourth Proportional to 86,446.43, 129,669.64 and 27,323.62

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Solution

The fourth proportional to 86,446.43, 129,669.64 and 27,323.62 is: 40,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,446.43 : 129,669.64 = 27,323.62 : x
  2. Step 2: Convert to fraction form
    86,446.43/129,669.64 = 27,323.62/x
  3. Step 3: Cross multiply
    86,446.43x = 129,669.64 × 27,323.62
  4. Step 4: Simplify right side
    86,446.43x = 3,543,043,968.90
  5. Step 5: Solve for x
    x = 3,543,043,968.90/86,446.43
  6. Step 6: Final answer
    x = 40,985.43

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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.