Home / 71,309.11-98,416.86-41,088.64

Finding the Fourth Proportional to 71,309.11, 98,416.86 and 41,088.64

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Solution

The fourth proportional to 71,309.11, 98,416.86 and 41,088.64 is: 56,708.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,309.11 : 98,416.86 = 41,088.64 : x
  2. Step 2: Convert to fraction form
    71,309.11/98,416.86 = 41,088.64/x
  3. Step 3: Cross multiply
    71,309.11x = 98,416.86 × 41,088.64
  4. Step 4: Simplify right side
    71,309.11x = 4,043,814,930.47
  5. Step 5: Solve for x
    x = 4,043,814,930.47/71,309.11
  6. Step 6: Final answer
    x = 56,708.25

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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.