Home / 75,007.71-103,521.51-43,176.33

Finding the Fourth Proportional to 75,007.71, 103,521.51 and 43,176.33

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Solution

The fourth proportional to 75,007.71, 103,521.51 and 43,176.33 is: 59,589.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,007.71 : 103,521.51 = 43,176.33 : x
  2. Step 2: Convert to fraction form
    75,007.71/103,521.51 = 43,176.33/x
  3. Step 3: Cross multiply
    75,007.71x = 103,521.51 × 43,176.33
  4. Step 4: Simplify right side
    75,007.71x = 4,469,678,877.86
  5. Step 5: Solve for x
    x = 4,469,678,877.86/75,007.71
  6. Step 6: Final answer
    x = 59,589.59

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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.