Home / 79,882.02-119,812.59-23,720.98

Finding the Fourth Proportional to 79,882.02, 119,812.59 and 23,720.98

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Solution

The fourth proportional to 79,882.02, 119,812.59 and 23,720.98 is: 35,578.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,882.02 : 119,812.59 = 23,720.98 : x
  2. Step 2: Convert to fraction form
    79,882.02/119,812.59 = 23,720.98/x
  3. Step 3: Cross multiply
    79,882.02x = 119,812.59 × 23,720.98
  4. Step 4: Simplify right side
    79,882.02x = 2,842,072,051.14
  5. Step 5: Solve for x
    x = 2,842,072,051.14/79,882.02
  6. Step 6: Final answer
    x = 35,578.37

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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.