Home / 80,962.62-111,731.04-45,154.14

Finding the Fourth Proportional to 80,962.62, 111,731.04 and 45,154.14

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Solution

The fourth proportional to 80,962.62, 111,731.04 and 45,154.14 is: 62,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,962.62 : 111,731.04 = 45,154.14 : x
  2. Step 2: Convert to fraction form
    80,962.62/111,731.04 = 45,154.14/x
  3. Step 3: Cross multiply
    80,962.62x = 111,731.04 × 45,154.14
  4. Step 4: Simplify right side
    80,962.62x = 5,045,119,022.51
  5. Step 5: Solve for x
    x = 5,045,119,022.51/80,962.62
  6. Step 6: Final answer
    x = 62,314.18

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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.