Home / 48,104.60-66,341.36-30,201.28

Finding the Fourth Proportional to 48,104.60, 66,341.36 and 30,201.28

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Solution

The fourth proportional to 48,104.60, 66,341.36 and 30,201.28 is: 41,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,104.60 : 66,341.36 = 30,201.28 : x
  2. Step 2: Convert to fraction form
    48,104.60/66,341.36 = 30,201.28/x
  3. Step 3: Cross multiply
    48,104.60x = 66,341.36 × 30,201.28
  4. Step 4: Simplify right side
    48,104.60x = 2,003,593,988.94
  5. Step 5: Solve for x
    x = 2,003,593,988.94/48,104.60
  6. Step 6: Final answer
    x = 41,650.78

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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.