Home / 75,117.57-103,662.48-41,126.32

Finding the Fourth Proportional to 75,117.57, 103,662.48 and 41,126.32

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Solution

The fourth proportional to 75,117.57, 103,662.48 and 41,126.32 is: 56,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,117.57 : 103,662.48 = 41,126.32 : x
  2. Step 2: Convert to fraction form
    75,117.57/103,662.48 = 41,126.32/x
  3. Step 3: Cross multiply
    75,117.57x = 103,662.48 × 41,126.32
  4. Step 4: Simplify right side
    75,117.57x = 4,263,256,324.47
  5. Step 5: Solve for x
    x = 4,263,256,324.47/75,117.57
  6. Step 6: Final answer
    x = 56,754.45

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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.