Home / 75,116.77-103,661.40-41,125.57

Finding the Fourth Proportional to 75,116.77, 103,661.40 and 41,125.57

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Solution

The fourth proportional to 75,116.77, 103,661.40 and 41,125.57 is: 56,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,116.77 : 103,661.40 = 41,125.57 : x
  2. Step 2: Convert to fraction form
    75,116.77/103,661.40 = 41,125.57/x
  3. Step 3: Cross multiply
    75,116.77x = 103,661.40 × 41,125.57
  4. Step 4: Simplify right side
    75,116.77x = 4,263,134,162.00
  5. Step 5: Solve for x
    x = 4,263,134,162.00/75,116.77
  6. Step 6: Final answer
    x = 56,753.43

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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.