Home / 79,730.86-119,651.55-51,580.84

Finding the Fourth Proportional to 79,730.86, 119,651.55 and 51,580.84

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Solution

The fourth proportional to 79,730.86, 119,651.55 and 51,580.84 is: 77,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,730.86 : 119,651.55 = 51,580.84 : x
  2. Step 2: Convert to fraction form
    79,730.86/119,651.55 = 51,580.84/x
  3. Step 3: Cross multiply
    79,730.86x = 119,651.55 × 51,580.84
  4. Step 4: Simplify right side
    79,730.86x = 6,171,727,456.30
  5. Step 5: Solve for x
    x = 6,171,727,456.30/79,730.86
  6. Step 6: Final answer
    x = 77,407.01

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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.