Home / 79,665.27-119,459.02-28,356.83

Finding the Fourth Proportional to 79,665.27, 119,459.02 and 28,356.83

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Solution

The fourth proportional to 79,665.27, 119,459.02 and 28,356.83 is: 42,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,665.27 : 119,459.02 = 28,356.83 : x
  2. Step 2: Convert to fraction form
    79,665.27/119,459.02 = 28,356.83/x
  3. Step 3: Cross multiply
    79,665.27x = 119,459.02 × 28,356.83
  4. Step 4: Simplify right side
    79,665.27x = 3,387,479,122.11
  5. Step 5: Solve for x
    x = 3,387,479,122.11/79,665.27
  6. Step 6: Final answer
    x = 42,521.40

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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.