Home / 71,856.56-99,148.92-40,024.64

Finding the Fourth Proportional to 71,856.56, 99,148.92 and 40,024.64

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Solution

The fourth proportional to 71,856.56, 99,148.92 and 40,024.64 is: 55,226.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,856.56 : 99,148.92 = 40,024.64 : x
  2. Step 2: Convert to fraction form
    71,856.56/99,148.92 = 40,024.64/x
  3. Step 3: Cross multiply
    71,856.56x = 99,148.92 × 40,024.64
  4. Step 4: Simplify right side
    71,856.56x = 3,968,399,829.39
  5. Step 5: Solve for x
    x = 3,968,399,829.39/71,856.56
  6. Step 6: Final answer
    x = 55,226.69

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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.