Home / 71,335.74-98,443.13-41,120.81

Finding the Fourth Proportional to 71,335.74, 98,443.13 and 41,120.81

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Solution

The fourth proportional to 71,335.74, 98,443.13 and 41,120.81 is: 56,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,335.74 : 98,443.13 = 41,120.81 : x
  2. Step 2: Convert to fraction form
    71,335.74/98,443.13 = 41,120.81/x
  3. Step 3: Cross multiply
    71,335.74x = 98,443.13 × 41,120.81
  4. Step 4: Simplify right side
    71,335.74x = 4,048,060,546.72
  5. Step 5: Solve for x
    x = 4,048,060,546.72/71,335.74
  6. Step 6: Final answer
    x = 56,746.60

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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.