Home / 74,649.26-103,017.10-40,659.32

Finding the Fourth Proportional to 74,649.26, 103,017.10 and 40,659.32

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Solution

The fourth proportional to 74,649.26, 103,017.10 and 40,659.32 is: 56,110.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,649.26 : 103,017.10 = 40,659.32 : x
  2. Step 2: Convert to fraction form
    74,649.26/103,017.10 = 40,659.32/x
  3. Step 3: Cross multiply
    74,649.26x = 103,017.10 × 40,659.32
  4. Step 4: Simplify right side
    74,649.26x = 4,188,605,234.37
  5. Step 5: Solve for x
    x = 4,188,605,234.37/74,649.26
  6. Step 6: Final answer
    x = 56,110.47

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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.