Home / 77,478.12-116,176.85-27,550.96

Finding the Fourth Proportional to 77,478.12, 116,176.85 and 27,550.96

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Solution

The fourth proportional to 77,478.12, 116,176.85 and 27,550.96 is: 41,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,478.12 : 116,176.85 = 27,550.96 : x
  2. Step 2: Convert to fraction form
    77,478.12/116,176.85 = 27,550.96/x
  3. Step 3: Cross multiply
    77,478.12x = 116,176.85 × 27,550.96
  4. Step 4: Simplify right side
    77,478.12x = 3,200,784,230.86
  5. Step 5: Solve for x
    x = 3,200,784,230.86/77,478.12
  6. Step 6: Final answer
    x = 41,312.11

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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.