Home / 80,070.11-120,111.41-46,793.63

Finding the Fourth Proportional to 80,070.11, 120,111.41 and 46,793.63

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Solution

The fourth proportional to 80,070.11, 120,111.41 and 46,793.63 is: 70,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,070.11 : 120,111.41 = 46,793.63 : x
  2. Step 2: Convert to fraction form
    80,070.11/120,111.41 = 46,793.63/x
  3. Step 3: Cross multiply
    80,070.11x = 120,111.41 × 46,793.63
  4. Step 4: Simplify right side
    80,070.11x = 5,620,448,878.32
  5. Step 5: Solve for x
    x = 5,620,448,878.32/80,070.11
  6. Step 6: Final answer
    x = 70,194.09

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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.