Home / 72,585.20-108,890.54-33,146.30

Finding the Fourth Proportional to 72,585.20, 108,890.54 and 33,146.30

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Solution

The fourth proportional to 72,585.20, 108,890.54 and 33,146.30 is: 49,725.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,585.20 : 108,890.54 = 33,146.30 : x
  2. Step 2: Convert to fraction form
    72,585.20/108,890.54 = 33,146.30/x
  3. Step 3: Cross multiply
    72,585.20x = 108,890.54 × 33,146.30
  4. Step 4: Simplify right side
    72,585.20x = 3,609,318,506.00
  5. Step 5: Solve for x
    x = 3,609,318,506.00/72,585.20
  6. Step 6: Final answer
    x = 49,725.27

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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.