Home / 71,114.52-98,145.36-40,900.98

Finding the Fourth Proportional to 71,114.52, 98,145.36 and 40,900.98

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Solution

The fourth proportional to 71,114.52, 98,145.36 and 40,900.98 is: 56,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,114.52 : 98,145.36 = 40,900.98 : x
  2. Step 2: Convert to fraction form
    71,114.52/98,145.36 = 40,900.98/x
  3. Step 3: Cross multiply
    71,114.52x = 98,145.36 × 40,900.98
  4. Step 4: Simplify right side
    71,114.52x = 4,014,241,406.45
  5. Step 5: Solve for x
    x = 4,014,241,406.45/71,114.52
  6. Step 6: Final answer
    x = 56,447.56

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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.