Home / 82,472.58-113,905.04-55,725.57

Finding the Fourth Proportional to 82,472.58, 113,905.04 and 55,725.57

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Solution

The fourth proportional to 82,472.58, 113,905.04 and 55,725.57 is: 76,964.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,472.58 : 113,905.04 = 55,725.57 : x
  2. Step 2: Convert to fraction form
    82,472.58/113,905.04 = 55,725.57/x
  3. Step 3: Cross multiply
    82,472.58x = 113,905.04 × 55,725.57
  4. Step 4: Simplify right side
    82,472.58x = 6,347,423,001.24
  5. Step 5: Solve for x
    x = 6,347,423,001.24/82,472.58
  6. Step 6: Final answer
    x = 76,964.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.