Home / 76,928.67-106,161.66-42,473.43

Finding the Fourth Proportional to 76,928.67, 106,161.66 and 42,473.43

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Solution

The fourth proportional to 76,928.67, 106,161.66 and 42,473.43 is: 58,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,928.67 : 106,161.66 = 42,473.43 : x
  2. Step 2: Convert to fraction form
    76,928.67/106,161.66 = 42,473.43/x
  3. Step 3: Cross multiply
    76,928.67x = 106,161.66 × 42,473.43
  4. Step 4: Simplify right side
    76,928.67x = 4,509,049,834.69
  5. Step 5: Solve for x
    x = 4,509,049,834.69/76,928.67
  6. Step 6: Final answer
    x = 58,613.39

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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.