Home / 80,455.49-111,022.41-46,448.45

Finding the Fourth Proportional to 80,455.49, 111,022.41 and 46,448.45

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Solution

The fourth proportional to 80,455.49, 111,022.41 and 46,448.45 is: 64,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,455.49 : 111,022.41 = 46,448.45 : x
  2. Step 2: Convert to fraction form
    80,455.49/111,022.41 = 46,448.45/x
  3. Step 3: Cross multiply
    80,455.49x = 111,022.41 × 46,448.45
  4. Step 4: Simplify right side
    80,455.49x = 5,156,818,304.65
  5. Step 5: Solve for x
    x = 5,156,818,304.65/80,455.49
  6. Step 6: Final answer
    x = 64,095.30

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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.