Home / 77,934.24-116,872.65-28,000.98

Finding the Fourth Proportional to 77,934.24, 116,872.65 and 28,000.98

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Solution

The fourth proportional to 77,934.24, 116,872.65 and 28,000.98 is: 41,991.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,934.24 : 116,872.65 = 28,000.98 : x
  2. Step 2: Convert to fraction form
    77,934.24/116,872.65 = 28,000.98/x
  3. Step 3: Cross multiply
    77,934.24x = 116,872.65 × 28,000.98
  4. Step 4: Simplify right side
    77,934.24x = 3,272,548,735.20
  5. Step 5: Solve for x
    x = 3,272,548,735.20/77,934.24
  6. Step 6: Final answer
    x = 41,991.15

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1.5x scale

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.