Home / 75,081.14-103,635.04-43,271.23

Finding the Fourth Proportional to 75,081.14, 103,635.04 and 43,271.23

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Solution

The fourth proportional to 75,081.14, 103,635.04 and 43,271.23 is: 59,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,081.14 : 103,635.04 = 43,271.23 : x
  2. Step 2: Convert to fraction form
    75,081.14/103,635.04 = 43,271.23/x
  3. Step 3: Cross multiply
    75,081.14x = 103,635.04 × 43,271.23
  4. Step 4: Simplify right side
    75,081.14x = 4,484,415,651.90
  5. Step 5: Solve for x
    x = 4,484,415,651.90/75,081.14
  6. Step 6: Final answer
    x = 59,727.59

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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.