Home / 92,712.61-127,942.86-50,270.23

Finding the Fourth Proportional to 92,712.61, 127,942.86 and 50,270.23

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Solution

The fourth proportional to 92,712.61, 127,942.86 and 50,270.23 is: 69,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,712.61 : 127,942.86 = 50,270.23 : x
  2. Step 2: Convert to fraction form
    92,712.61/127,942.86 = 50,270.23/x
  3. Step 3: Cross multiply
    92,712.61x = 127,942.86 × 50,270.23
  4. Step 4: Simplify right side
    92,712.61x = 6,431,716,679.20
  5. Step 5: Solve for x
    x = 6,431,716,679.20/92,712.61
  6. Step 6: Final answer
    x = 69,372.62

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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.