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Finding the Fourth Proportional to 92,599.56, 127,785 and 52,317.48

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Solution

The fourth proportional to 92,599.56, 127,785 and 52,317.48 is: 72,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,599.56 : 127,785 = 52,317.48 : x
  2. Step 2: Convert to fraction form
    92,599.56/127,785 = 52,317.48/x
  3. Step 3: Cross multiply
    92,599.56x = 127,785 × 52,317.48
  4. Step 4: Simplify right side
    92,599.56x = 6,685,389,181.80
  5. Step 5: Solve for x
    x = 6,685,389,181.80/92,599.56
  6. Step 6: Final answer
    x = 72,196.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.