Home / 83,509.02-115,249.68-45,790.56

Finding the Fourth Proportional to 83,509.02, 115,249.68 and 45,790.56

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Solution

The fourth proportional to 83,509.02, 115,249.68 and 45,790.56 is: 63,194.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,509.02 : 115,249.68 = 45,790.56 : x
  2. Step 2: Convert to fraction form
    83,509.02/115,249.68 = 45,790.56/x
  3. Step 3: Cross multiply
    83,509.02x = 115,249.68 × 45,790.56
  4. Step 4: Simplify right side
    83,509.02x = 5,277,347,387.02
  5. Step 5: Solve for x
    x = 5,277,347,387.02/83,509.02
  6. Step 6: Final answer
    x = 63,194.94

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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.