Home / 79,553.02-119,298.28-28,940.02

Finding the Fourth Proportional to 79,553.02, 119,298.28 and 28,940.02

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Solution

The fourth proportional to 79,553.02, 119,298.28 and 28,940.02 is: 43,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,553.02 : 119,298.28 = 28,940.02 : x
  2. Step 2: Convert to fraction form
    79,553.02/119,298.28 = 28,940.02/x
  3. Step 3: Cross multiply
    79,553.02x = 119,298.28 × 28,940.02
  4. Step 4: Simplify right side
    79,553.02x = 3,452,494,609.17
  5. Step 5: Solve for x
    x = 3,452,494,609.17/79,553.02
  6. Step 6: Final answer
    x = 43,398.66

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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.