Home / 80,845.19-111,569.81-45,035.22

Finding the Fourth Proportional to 80,845.19, 111,569.81 and 45,035.22

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Solution

The fourth proportional to 80,845.19, 111,569.81 and 45,035.22 is: 62,150.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,845.19 : 111,569.81 = 45,035.22 : x
  2. Step 2: Convert to fraction form
    80,845.19/111,569.81 = 45,035.22/x
  3. Step 3: Cross multiply
    80,845.19x = 111,569.81 × 45,035.22
  4. Step 4: Simplify right side
    80,845.19x = 5,024,570,713.53
  5. Step 5: Solve for x
    x = 5,024,570,713.53/80,845.19
  6. Step 6: Final answer
    x = 62,150.53

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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.