Home / 80,256.69-120,394.27-46,977.05

Finding the Fourth Proportional to 80,256.69, 120,394.27 and 46,977.05

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Solution

The fourth proportional to 80,256.69, 120,394.27 and 46,977.05 is: 70,470.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,256.69 : 120,394.27 = 46,977.05 : x
  2. Step 2: Convert to fraction form
    80,256.69/120,394.27 = 46,977.05/x
  3. Step 3: Cross multiply
    80,256.69x = 120,394.27 × 46,977.05
  4. Step 4: Simplify right side
    80,256.69x = 5,655,767,059.75
  5. Step 5: Solve for x
    x = 5,655,767,059.75/80,256.69
  6. Step 6: Final answer
    x = 70,470.97

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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.