Home / 66,958.38-92,373.28-42,766.75

Finding the Fourth Proportional to 66,958.38, 92,373.28 and 42,766.75

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Solution

The fourth proportional to 66,958.38, 92,373.28 and 42,766.75 is: 58,999.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,958.38 : 92,373.28 = 42,766.75 : x
  2. Step 2: Convert to fraction form
    66,958.38/92,373.28 = 42,766.75/x
  3. Step 3: Cross multiply
    66,958.38x = 92,373.28 × 42,766.75
  4. Step 4: Simplify right side
    66,958.38x = 3,950,504,980.99
  5. Step 5: Solve for x
    x = 3,950,504,980.99/66,958.38
  6. Step 6: Final answer
    x = 58,999.41

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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.