Home / 109,103.89-150,550.15-60,694.38

Finding the Fourth Proportional to 109,103.89, 150,550.15 and 60,694.38

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Solution

The fourth proportional to 109,103.89, 150,550.15 and 60,694.38 is: 83,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,103.89 : 150,550.15 = 60,694.38 : x
  2. Step 2: Convert to fraction form
    109,103.89/150,550.15 = 60,694.38/x
  3. Step 3: Cross multiply
    109,103.89x = 150,550.15 × 60,694.38
  4. Step 4: Simplify right side
    109,103.89x = 9,137,547,709.69
  5. Step 5: Solve for x
    x = 9,137,547,709.69/109,103.89
  6. Step 6: Final answer
    x = 83,750.89

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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.