Home / 75,126.25-103,670.25-41,128.22

Finding the Fourth Proportional to 75,126.25, 103,670.25 and 41,128.22

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Solution

The fourth proportional to 75,126.25, 103,670.25 and 41,128.22 is: 56,754.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,126.25 : 103,670.25 = 41,128.22 : x
  2. Step 2: Convert to fraction form
    75,126.25/103,670.25 = 41,128.22/x
  3. Step 3: Cross multiply
    75,126.25x = 103,670.25 × 41,128.22
  4. Step 4: Simplify right side
    75,126.25x = 4,263,772,954.40
  5. Step 5: Solve for x
    x = 4,263,772,954.40/75,126.25
  6. Step 6: Final answer
    x = 56,754.77

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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.