Home / 102,822.56-154,176.54-31,725.02

Finding the Fourth Proportional to 102,822.56, 154,176.54 and 31,725.02

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Solution

The fourth proportional to 102,822.56, 154,176.54 and 31,725.02 is: 47,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,822.56 : 154,176.54 = 31,725.02 : x
  2. Step 2: Convert to fraction form
    102,822.56/154,176.54 = 31,725.02/x
  3. Step 3: Cross multiply
    102,822.56x = 154,176.54 × 31,725.02
  4. Step 4: Simplify right side
    102,822.56x = 4,891,253,303.49
  5. Step 5: Solve for x
    x = 4,891,253,303.49/102,822.56
  6. Step 6: Final answer
    x = 47,569.84

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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.