Home / 86,272.34-129,407.76-23,942.84

Finding the Fourth Proportional to 86,272.34, 129,407.76 and 23,942.84

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Solution

The fourth proportional to 86,272.34, 129,407.76 and 23,942.84 is: 35,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,272.34 : 129,407.76 = 23,942.84 : x
  2. Step 2: Convert to fraction form
    86,272.34/129,407.76 = 23,942.84/x
  3. Step 3: Cross multiply
    86,272.34x = 129,407.76 × 23,942.84
  4. Step 4: Simplify right side
    86,272.34x = 3,098,389,292.44
  5. Step 5: Solve for x
    x = 3,098,389,292.44/86,272.34
  6. Step 6: Final answer
    x = 35,914.05

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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.