Home / 77,947.68-116,908.56-28,017.66

Finding the Fourth Proportional to 77,947.68, 116,908.56 and 28,017.66

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Solution

The fourth proportional to 77,947.68, 116,908.56 and 28,017.66 is: 42,021.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,947.68 : 116,908.56 = 28,017.66 : x
  2. Step 2: Convert to fraction form
    77,947.68/116,908.56 = 28,017.66/x
  3. Step 3: Cross multiply
    77,947.68x = 116,908.56 × 28,017.66
  4. Step 4: Simplify right side
    77,947.68x = 3,275,504,285.17
  5. Step 5: Solve for x
    x = 3,275,504,285.17/77,947.68
  6. Step 6: Final answer
    x = 42,021.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.