Home / 75,116.39-103,660.64-41,127.03

Finding the Fourth Proportional to 75,116.39, 103,660.64 and 41,127.03

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Solution

The fourth proportional to 75,116.39, 103,660.64 and 41,127.03 is: 56,755.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,116.39 : 103,660.64 = 41,127.03 : x
  2. Step 2: Convert to fraction form
    75,116.39/103,660.64 = 41,127.03/x
  3. Step 3: Cross multiply
    75,116.39x = 103,660.64 × 41,127.03
  4. Step 4: Simplify right side
    75,116.39x = 4,263,254,045.46
  5. Step 5: Solve for x
    x = 4,263,254,045.46/75,116.39
  6. Step 6: Final answer
    x = 56,755.31

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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.