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Finding the Fourth Proportional to 85,056, 127,541.10 and 49,528.80

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Solution

The fourth proportional to 85,056, 127,541.10 and 49,528.80 is: 74,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,056 : 127,541.10 = 49,528.80 : x
  2. Step 2: Convert to fraction form
    85,056/127,541.10 = 49,528.80/x
  3. Step 3: Cross multiply
    85,056x = 127,541.10 × 49,528.80
  4. Step 4: Simplify right side
    85,056x = 6,316,957,633.68
  5. Step 5: Solve for x
    x = 6,316,957,633.68/85,056
  6. Step 6: Final answer
    x = 74,268.22

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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.