Home / 79,681.23-119,595.75-40,266.03

Finding the Fourth Proportional to 79,681.23, 119,595.75 and 40,266.03

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Solution

The fourth proportional to 79,681.23, 119,595.75 and 40,266.03 is: 60,436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,681.23 : 119,595.75 = 40,266.03 : x
  2. Step 2: Convert to fraction form
    79,681.23/119,595.75 = 40,266.03/x
  3. Step 3: Cross multiply
    79,681.23x = 119,595.75 × 40,266.03
  4. Step 4: Simplify right side
    79,681.23x = 4,815,646,057.37
  5. Step 5: Solve for x
    x = 4,815,646,057.37/79,681.23
  6. Step 6: Final answer
    x = 60,436.39

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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.