Home / 71,923.10-99,251.58-45,080.10

Finding the Fourth Proportional to 71,923.10, 99,251.58 and 45,080.10

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Solution

The fourth proportional to 71,923.10, 99,251.58 and 45,080.10 is: 62,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,923.10 : 99,251.58 = 45,080.10 : x
  2. Step 2: Convert to fraction form
    71,923.10/99,251.58 = 45,080.10/x
  3. Step 3: Cross multiply
    71,923.10x = 99,251.58 × 45,080.10
  4. Step 4: Simplify right side
    71,923.10x = 4,474,271,151.56
  5. Step 5: Solve for x
    x = 4,474,271,151.56/71,923.10
  6. Step 6: Final answer
    x = 62,209.10

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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.