Home / 80,500.17-111,090.73-44,203.18

Finding the Fourth Proportional to 80,500.17, 111,090.73 and 44,203.18

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Solution

The fourth proportional to 80,500.17, 111,090.73 and 44,203.18 is: 61,000.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,500.17 : 111,090.73 = 44,203.18 : x
  2. Step 2: Convert to fraction form
    80,500.17/111,090.73 = 44,203.18/x
  3. Step 3: Cross multiply
    80,500.17x = 111,090.73 × 44,203.18
  4. Step 4: Simplify right side
    80,500.17x = 4,910,563,534.52
  5. Step 5: Solve for x
    x = 4,910,563,534.52/80,500.17
  6. Step 6: Final answer
    x = 61,000.66

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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.