Home / 71,286.13-98,374.86-41,478.13

Finding the Fourth Proportional to 71,286.13, 98,374.86 and 41,478.13

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Solution

The fourth proportional to 71,286.13, 98,374.86 and 41,478.13 is: 57,239.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,286.13 : 98,374.86 = 41,478.13 : x
  2. Step 2: Convert to fraction form
    71,286.13/98,374.86 = 41,478.13/x
  3. Step 3: Cross multiply
    71,286.13x = 98,374.86 × 41,478.13
  4. Step 4: Simplify right side
    71,286.13x = 4,080,405,231.81
  5. Step 5: Solve for x
    x = 4,080,405,231.81/71,286.13
  6. Step 6: Final answer
    x = 57,239.82

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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.