Home / 76,205.44-105,163.49-42,216.13

Finding the Fourth Proportional to 76,205.44, 105,163.49 and 42,216.13

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Solution

The fourth proportional to 76,205.44, 105,163.49 and 42,216.13 is: 58,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,205.44 : 105,163.49 = 42,216.13 : x
  2. Step 2: Convert to fraction form
    76,205.44/105,163.49 = 42,216.13/x
  3. Step 3: Cross multiply
    76,205.44x = 105,163.49 × 42,216.13
  4. Step 4: Simplify right side
    76,205.44x = 4,439,595,565.09
  5. Step 5: Solve for x
    x = 4,439,595,565.09/76,205.44
  6. Step 6: Final answer
    x = 58,258.25

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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.