Home / 66,861.87-92,272.40-38,184.03

Finding the Fourth Proportional to 66,861.87, 92,272.40 and 38,184.03

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Solution

The fourth proportional to 66,861.87, 92,272.40 and 38,184.03 is: 52,695.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,861.87 : 92,272.40 = 38,184.03 : x
  2. Step 2: Convert to fraction form
    66,861.87/92,272.40 = 38,184.03/x
  3. Step 3: Cross multiply
    66,861.87x = 92,272.40 × 38,184.03
  4. Step 4: Simplify right side
    66,861.87x = 3,523,331,898.85
  5. Step 5: Solve for x
    x = 3,523,331,898.85/66,861.87
  6. Step 6: Final answer
    x = 52,695.68

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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.