Home / 75,479.82-104,164.29-45,270.06

Finding the Fourth Proportional to 75,479.82, 104,164.29 and 45,270.06

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Solution

The fourth proportional to 75,479.82, 104,164.29 and 45,270.06 is: 62,473.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,479.82 : 104,164.29 = 45,270.06 : x
  2. Step 2: Convert to fraction form
    75,479.82/104,164.29 = 45,270.06/x
  3. Step 3: Cross multiply
    75,479.82x = 104,164.29 × 45,270.06
  4. Step 4: Simplify right side
    75,479.82x = 4,715,523,658.16
  5. Step 5: Solve for x
    x = 4,715,523,658.16/75,479.82
  6. Step 6: Final answer
    x = 62,473.97

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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.