Home / 92,431.53-127,552.32-52,143.75

Finding the Fourth Proportional to 92,431.53, 127,552.32 and 52,143.75

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Solution

The fourth proportional to 92,431.53, 127,552.32 and 52,143.75 is: 71,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,431.53 : 127,552.32 = 52,143.75 : x
  2. Step 2: Convert to fraction form
    92,431.53/127,552.32 = 52,143.75/x
  3. Step 3: Cross multiply
    92,431.53x = 127,552.32 × 52,143.75
  4. Step 4: Simplify right side
    92,431.53x = 6,651,056,286
  5. Step 5: Solve for x
    x = 6,651,056,286/92,431.53
  6. Step 6: Final answer
    x = 71,956.57

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1.5x scale

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.