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Finding the Fourth Proportional to 92,883.29, 128,178.92 and 52,597.04

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Solution

The fourth proportional to 92,883.29, 128,178.92 and 52,597.04 is: 72,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,883.29 : 128,178.92 = 52,597.04 : x
  2. Step 2: Convert to fraction form
    92,883.29/128,178.92 = 52,597.04/x
  3. Step 3: Cross multiply
    92,883.29x = 128,178.92 × 52,597.04
  4. Step 4: Simplify right side
    92,883.29x = 6,741,831,782.40
  5. Step 5: Solve for x
    x = 6,741,831,782.40/92,883.29
  6. Step 6: Final answer
    x = 72,583.90

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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.