Home / 80,741.04-111,359.52-52,455.84

Finding the Fourth Proportional to 80,741.04, 111,359.52 and 52,455.84

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Solution

The fourth proportional to 80,741.04, 111,359.52 and 52,455.84 is: 72,348.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,741.04 : 111,359.52 = 52,455.84 : x
  2. Step 2: Convert to fraction form
    80,741.04/111,359.52 = 52,455.84/x
  3. Step 3: Cross multiply
    80,741.04x = 111,359.52 × 52,455.84
  4. Step 4: Simplify right side
    80,741.04x = 5,841,457,163.60
  5. Step 5: Solve for x
    x = 5,841,457,163.60/80,741.04
  6. Step 6: Final answer
    x = 72,348.05

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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.