Home / 79,982.56-120,047.64-40,567.35

Finding the Fourth Proportional to 79,982.56, 120,047.64 and 40,567.35

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Solution

The fourth proportional to 79,982.56, 120,047.64 and 40,567.35 is: 60,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,982.56 : 120,047.64 = 40,567.35 : x
  2. Step 2: Convert to fraction form
    79,982.56/120,047.64 = 40,567.35/x
  3. Step 3: Cross multiply
    79,982.56x = 120,047.64 × 40,567.35
  4. Step 4: Simplify right side
    79,982.56x = 4,870,014,628.55
  5. Step 5: Solve for x
    x = 4,870,014,628.55/79,982.56
  6. Step 6: Final answer
    x = 60,888.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.