Home / 80,845.14-111,569.75-45,035.18

Finding the Fourth Proportional to 80,845.14, 111,569.75 and 45,035.18

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Solution

The fourth proportional to 80,845.14, 111,569.75 and 45,035.18 is: 62,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,845.14 : 111,569.75 = 45,035.18 : x
  2. Step 2: Convert to fraction form
    80,845.14/111,569.75 = 45,035.18/x
  3. Step 3: Cross multiply
    80,845.14x = 111,569.75 × 45,035.18
  4. Step 4: Simplify right side
    80,845.14x = 5,024,562,990.78
  5. Step 5: Solve for x
    x = 5,024,562,990.78/80,845.14
  6. Step 6: Final answer
    x = 62,150.46

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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.