Home / 80,711.49-111,383.35-44,904.83

Finding the Fourth Proportional to 80,711.49, 111,383.35 and 44,904.83

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Solution

The fourth proportional to 80,711.49, 111,383.35 and 44,904.83 is: 61,969.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,711.49 : 111,383.35 = 44,904.83 : x
  2. Step 2: Convert to fraction form
    80,711.49/111,383.35 = 44,904.83/x
  3. Step 3: Cross multiply
    80,711.49x = 111,383.35 × 44,904.83
  4. Step 4: Simplify right side
    80,711.49x = 5,001,649,893.60
  5. Step 5: Solve for x
    x = 5,001,649,893.60/80,711.49
  6. Step 6: Final answer
    x = 61,969.49

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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.