Home / 70,544.03-105,814.88-28,423.10

Finding the Fourth Proportional to 70,544.03, 105,814.88 and 28,423.10

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Solution

The fourth proportional to 70,544.03, 105,814.88 and 28,423.10 is: 42,634.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,544.03 : 105,814.88 = 28,423.10 : x
  2. Step 2: Convert to fraction form
    70,544.03/105,814.88 = 28,423.10/x
  3. Step 3: Cross multiply
    70,544.03x = 105,814.88 × 28,423.10
  4. Step 4: Simplify right side
    70,544.03x = 3,007,586,244.54
  5. Step 5: Solve for x
    x = 3,007,586,244.54/70,544.03
  6. Step 6: Final answer
    x = 42,634.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.