Home / 74,703.33-103,086.91-40,711.70

Finding the Fourth Proportional to 74,703.33, 103,086.91 and 40,711.70

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Solution

The fourth proportional to 74,703.33, 103,086.91 and 40,711.70 is: 56,180.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,703.33 : 103,086.91 = 40,711.70 : x
  2. Step 2: Convert to fraction form
    74,703.33/103,086.91 = 40,711.70/x
  3. Step 3: Cross multiply
    74,703.33x = 103,086.91 × 40,711.70
  4. Step 4: Simplify right side
    74,703.33x = 4,196,843,662.45
  5. Step 5: Solve for x
    x = 4,196,843,662.45/74,703.33
  6. Step 6: Final answer
    x = 56,180.14

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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.