Home / 80,834.16-111,548.32-45,022.32

Finding the Fourth Proportional to 80,834.16, 111,548.32 and 45,022.32

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Solution

The fourth proportional to 80,834.16, 111,548.32 and 45,022.32 is: 62,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,834.16 : 111,548.32 = 45,022.32 : x
  2. Step 2: Convert to fraction form
    80,834.16/111,548.32 = 45,022.32/x
  3. Step 3: Cross multiply
    80,834.16x = 111,548.32 × 45,022.32
  4. Step 4: Simplify right side
    80,834.16x = 5,022,164,158.50
  5. Step 5: Solve for x
    x = 5,022,164,158.50/80,834.16
  6. Step 6: Final answer
    x = 62,129.23

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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.