Home / 80,478.15-111,066.83-44,675.07

Finding the Fourth Proportional to 80,478.15, 111,066.83 and 44,675.07

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Solution

The fourth proportional to 80,478.15, 111,066.83 and 44,675.07 is: 61,655.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,478.15 : 111,066.83 = 44,675.07 : x
  2. Step 2: Convert to fraction form
    80,478.15/111,066.83 = 44,675.07/x
  3. Step 3: Cross multiply
    80,478.15x = 111,066.83 × 44,675.07
  4. Step 4: Simplify right side
    80,478.15x = 4,961,918,404.93
  5. Step 5: Solve for x
    x = 4,961,918,404.93/80,478.15
  6. Step 6: Final answer
    x = 61,655.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.