Home / 75,071.56-103,636.24-43,234.31

Finding the Fourth Proportional to 75,071.56, 103,636.24 and 43,234.31

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Solution

The fourth proportional to 75,071.56, 103,636.24 and 43,234.31 is: 59,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,071.56 : 103,636.24 = 43,234.31 : x
  2. Step 2: Convert to fraction form
    75,071.56/103,636.24 = 43,234.31/x
  3. Step 3: Cross multiply
    75,071.56x = 103,636.24 × 43,234.31
  4. Step 4: Simplify right side
    75,071.56x = 4,480,641,327.39
  5. Step 5: Solve for x
    x = 4,480,641,327.39/75,071.56
  6. Step 6: Final answer
    x = 59,684.94

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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.