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Finding the Fourth Proportional to 92,708.30, 127,938.30 and 50,266.94

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Solution

The fourth proportional to 92,708.30, 127,938.30 and 50,266.94 is: 69,368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,708.30 : 127,938.30 = 50,266.94 : x
  2. Step 2: Convert to fraction form
    92,708.30/127,938.30 = 50,266.94/x
  3. Step 3: Cross multiply
    92,708.30x = 127,938.30 × 50,266.94
  4. Step 4: Simplify right side
    92,708.30x = 6,431,066,849.80
  5. Step 5: Solve for x
    x = 6,431,066,849.80/92,708.30
  6. Step 6: Final answer
    x = 69,368.84

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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.