Home / 79,646.34-119,543.31-40,231.11

Finding the Fourth Proportional to 79,646.34, 119,543.31 and 40,231.11

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Solution

The fourth proportional to 79,646.34, 119,543.31 and 40,231.11 is: 60,383.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,646.34 : 119,543.31 = 40,231.11 : x
  2. Step 2: Convert to fraction form
    79,646.34/119,543.31 = 40,231.11/x
  3. Step 3: Cross multiply
    79,646.34x = 119,543.31 × 40,231.11
  4. Step 4: Simplify right side
    79,646.34x = 4,809,360,054.37
  5. Step 5: Solve for x
    x = 4,809,360,054.37/79,646.34
  6. Step 6: Final answer
    x = 60,383.94

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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.