Home / 82,607.54-123,848.60-42,583.38

Finding the Fourth Proportional to 82,607.54, 123,848.60 and 42,583.38

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Solution

The fourth proportional to 82,607.54, 123,848.60 and 42,583.38 is: 63,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,607.54 : 123,848.60 = 42,583.38 : x
  2. Step 2: Convert to fraction form
    82,607.54/123,848.60 = 42,583.38/x
  3. Step 3: Cross multiply
    82,607.54x = 123,848.60 × 42,583.38
  4. Step 4: Simplify right side
    82,607.54x = 5,273,891,783.35
  5. Step 5: Solve for x
    x = 5,273,891,783.35/82,607.54
  6. Step 6: Final answer
    x = 63,842.74

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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.