Home / 82,330.63-123,537.39-34,957.78

Finding the Fourth Proportional to 82,330.63, 123,537.39 and 34,957.78

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Solution

The fourth proportional to 82,330.63, 123,537.39 and 34,957.78 is: 52,454.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,330.63 : 123,537.39 = 34,957.78 : x
  2. Step 2: Convert to fraction form
    82,330.63/123,537.39 = 34,957.78/x
  3. Step 3: Cross multiply
    82,330.63x = 123,537.39 × 34,957.78
  4. Step 4: Simplify right side
    82,330.63x = 4,318,592,901.39
  5. Step 5: Solve for x
    x = 4,318,592,901.39/82,330.63
  6. Step 6: Final answer
    x = 52,454.27

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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.