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Finding the Fourth Proportional to 92,484.59, 127,629.16 and 52,200.05

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Solution

The fourth proportional to 92,484.59, 127,629.16 and 52,200.05 is: 72,036.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,484.59 : 127,629.16 = 52,200.05 : x
  2. Step 2: Convert to fraction form
    92,484.59/127,629.16 = 52,200.05/x
  3. Step 3: Cross multiply
    92,484.59x = 127,629.16 × 52,200.05
  4. Step 4: Simplify right side
    92,484.59x = 6,662,247,895.31
  5. Step 5: Solve for x
    x = 6,662,247,895.31/92,484.59
  6. Step 6: Final answer
    x = 72,036.31

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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.