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Finding the Fourth Proportional to 79,920.28, 110,284.03 and 45,928.83

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Solution

The fourth proportional to 79,920.28, 110,284.03 and 45,928.83 is: 63,378.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,920.28 : 110,284.03 = 45,928.83 : x
  2. Step 2: Convert to fraction form
    79,920.28/110,284.03 = 45,928.83/x
  3. Step 3: Cross multiply
    79,920.28x = 110,284.03 × 45,928.83
  4. Step 4: Simplify right side
    79,920.28x = 5,065,216,465.58
  5. Step 5: Solve for x
    x = 5,065,216,465.58/79,920.28
  6. Step 6: Final answer
    x = 63,378.36

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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.