Home / 77,633.89-116,367.77-40,156.23

Finding the Fourth Proportional to 77,633.89, 116,367.77 and 40,156.23

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Solution

The fourth proportional to 77,633.89, 116,367.77 and 40,156.23 is: 60,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,633.89 : 116,367.77 = 40,156.23 : x
  2. Step 2: Convert to fraction form
    77,633.89/116,367.77 = 40,156.23/x
  3. Step 3: Cross multiply
    77,633.89x = 116,367.77 × 40,156.23
  4. Step 4: Simplify right side
    77,633.89x = 4,672,891,037.10
  5. Step 5: Solve for x
    x = 4,672,891,037.10/77,633.89
  6. Step 6: Final answer
    x = 60,191.38

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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.