Home / 86,725.02-130,107.54-33,424.56

Finding the Fourth Proportional to 86,725.02, 130,107.54 and 33,424.56

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Solution

The fourth proportional to 86,725.02, 130,107.54 and 33,424.56 is: 50,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,725.02 : 130,107.54 = 33,424.56 : x
  2. Step 2: Convert to fraction form
    86,725.02/130,107.54 = 33,424.56/x
  3. Step 3: Cross multiply
    86,725.02x = 130,107.54 × 33,424.56
  4. Step 4: Simplify right side
    86,725.02x = 4,348,787,277.18
  5. Step 5: Solve for x
    x = 4,348,787,277.18/86,725.02
  6. Step 6: Final answer
    x = 50,144.55

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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.