Home / 82,115.64-123,172.02-44,666.82

Finding the Fourth Proportional to 82,115.64, 123,172.02 and 44,666.82

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Solution

The fourth proportional to 82,115.64, 123,172.02 and 44,666.82 is: 66,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,115.64 : 123,172.02 = 44,666.82 : x
  2. Step 2: Convert to fraction form
    82,115.64/123,172.02 = 44,666.82/x
  3. Step 3: Cross multiply
    82,115.64x = 123,172.02 × 44,666.82
  4. Step 4: Simplify right side
    82,115.64x = 5,501,702,446.38
  5. Step 5: Solve for x
    x = 5,501,702,446.38/82,115.64
  6. Step 6: Final answer
    x = 66,999.45

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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.