Home / 80,742.81-111,415.05-44,930.28

Finding the Fourth Proportional to 80,742.81, 111,415.05 and 44,930.28

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Solution

The fourth proportional to 80,742.81, 111,415.05 and 44,930.28 is: 61,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,742.81 : 111,415.05 = 44,930.28 : x
  2. Step 2: Convert to fraction form
    80,742.81/111,415.05 = 44,930.28/x
  3. Step 3: Cross multiply
    80,742.81x = 111,415.05 × 44,930.28
  4. Step 4: Simplify right side
    80,742.81x = 5,005,909,392.71
  5. Step 5: Solve for x
    x = 5,005,909,392.71/80,742.81
  6. Step 6: Final answer
    x = 61,998.21

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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.