Home / 79,575.02-119,362.56-20,410.69

Finding the Fourth Proportional to 79,575.02, 119,362.56 and 20,410.69

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Solution

The fourth proportional to 79,575.02, 119,362.56 and 20,410.69 is: 30,616.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,575.02 : 119,362.56 = 20,410.69 : x
  2. Step 2: Convert to fraction form
    79,575.02/119,362.56 = 20,410.69/x
  3. Step 3: Cross multiply
    79,575.02x = 119,362.56 × 20,410.69
  4. Step 4: Simplify right side
    79,575.02x = 2,436,272,509.14
  5. Step 5: Solve for x
    x = 2,436,272,509.14/79,575.02
  6. Step 6: Final answer
    x = 30,616.04

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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.