Home / 66,861.86-92,279.53-42,673.26

Finding the Fourth Proportional to 66,861.86, 92,279.53 and 42,673.26

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Solution

The fourth proportional to 66,861.86, 92,279.53 and 42,673.26 is: 58,895.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,861.86 : 92,279.53 = 42,673.26 : x
  2. Step 2: Convert to fraction form
    66,861.86/92,279.53 = 42,673.26/x
  3. Step 3: Cross multiply
    66,861.86x = 92,279.53 × 42,673.26
  4. Step 4: Simplify right side
    66,861.86x = 3,937,868,376.37
  5. Step 5: Solve for x
    x = 3,937,868,376.37/66,861.86
  6. Step 6: Final answer
    x = 58,895.59

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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.