Home / 80,845.58-111,570.35-45,035.60

Finding the Fourth Proportional to 80,845.58, 111,570.35 and 45,035.60

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Solution

The fourth proportional to 80,845.58, 111,570.35 and 45,035.60 is: 62,151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,845.58 : 111,570.35 = 45,035.60 : x
  2. Step 2: Convert to fraction form
    80,845.58/111,570.35 = 45,035.60/x
  3. Step 3: Cross multiply
    80,845.58x = 111,570.35 × 45,035.60
  4. Step 4: Simplify right side
    80,845.58x = 5,024,636,871.43
  5. Step 5: Solve for x
    x = 5,024,636,871.43/80,845.58
  6. Step 6: Final answer
    x = 62,151.04

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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.