Home / 86,003.04-128,989.92-22,824.08

Finding the Fourth Proportional to 86,003.04, 128,989.92 and 22,824.08

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Solution

The fourth proportional to 86,003.04, 128,989.92 and 22,824.08 is: 34,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,003.04 : 128,989.92 = 22,824.08 : x
  2. Step 2: Convert to fraction form
    86,003.04/128,989.92 = 22,824.08/x
  3. Step 3: Cross multiply
    86,003.04x = 128,989.92 × 22,824.08
  4. Step 4: Simplify right side
    86,003.04x = 2,944,076,253.27
  5. Step 5: Solve for x
    x = 2,944,076,253.27/86,003.04
  6. Step 6: Final answer
    x = 34,232.23

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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.